TOEFL ITP Indonesia · Structure And Written Expression

Sentence Structure, Clause Types, and Error Identification

35 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 35 questions

  1. Rarely ______ such an extraordinary display of the aurora borealis at mid-latitudes.
  2. Not until the late nineteenth century ______ widespread recognition for his revolutionary paintings.
  3. ______ by glacial activity thousands of years ago, the Great Lakes contain one-fifth of the world's fresh surface water.
  4. The committee recommended that the university provost ______ the proposed tenure guidelines immediately.
  5. The higher the altitude above sea level, ______ the atmospheric pressure becomes.
  6. Neither the lead researcher nor his laboratory assistants ______ present when the reaction occurred.
  7. Had the engineers anticipated the structural flaws in the foundation, the suspension bridge ______.
  8. Photosynthesis is the fundamental biological process ______ green plants convert sunlight into chemical energy.
  9. Only after completing rigorous peer review ______ in the university's quarterly academic journal.
  10. The Andean condor, ______ of the largest flying birds in the Americas, possesses an immense wingspan.
  11. Although sharks have inhabited the oceans for millions of years, very ______ is known about their deep migration paths.
  12. The economic stability of the island community relies ______ on maritime ecotourism revenue.
  13. Neither of the experimental clinical treatments ______ effective in alleviating the patient's symptoms.
  14. Because of its dense cloud cover, Venus reflects more sunlight than ______ in our solar system.
  15. ______ known as amber is fossilized tree resin prized for its translucent golden luster since antiquity.
  16. Marine mammals such as dolphins and whales must periodically surface ______ atmospheric oxygen.
  17. The temperate deciduous forest is populated by hardwood trees that shed their foliage ______.
  18. No sooner ______ the laboratory than the automated fire suppression alarms sounded.
  19. Geologists categorize igneous rocks based on how they ______ beneath the continental crust.
  20. ______ throughout the Sonoran Desert, the giant saguaro cactus can store thousands of liters of rainwater.
  21. The conservatory orchestra performed both classical symphonies ______ contemporary experimental compositions.
  22. Little ______ that the mineral sample contained an exceptionally rich deposit of native silver.
  23. ______ severe weather warnings, the mountaineering expedition continued toward the summit.
  24. So intricate ______ that conservators required five years to restore its delicate woven threads.
  25. Each of the participating research institutions ______ responsible for submitting an annual progress report.
  26. ______ the discovery of penicillin, bacterial pneumonia was frequently fatal to patients.
  27. The invention of movable type allowed books to be mass-produced much ______ than handwritten manuscripts.
  28. Not only ______ the electric light bulb, but Thomas Edison also built the first commercial electrical grid.
  29. The architectural committee reviewed two alternative designs, but neither ______ acceptable.
  30. Deep beneath the canopy of the virgin rainforest ______ hundreds of uncataloged insect species.
  31. The speed of light in a vacuum remains constant, ______ the relative velocity of the observer.
  32. ______ extensive training for the spaceflight, the mission specialists practiced simulated spacewalks underwater.
  33. Most of the geological information gathered by the probe ______ carefully analyzed by planetary scientists.
  34. Were the temperature ______ below the freezing point, the delicate orchard blossoms would perish.
  35. The faculty advisor instructed the doctoral candidates to state their findings clearly, concisely, and ______.

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