Choose the option that completes the second sentence so that it means the same as the first, using the key word.
First sentence: He didn't know how to solve the problem.
Key word: IDEA
Second sentence: He ___ to solve the problem.
Answer and explanation
Correct answer: A. had no idea how
- Step 1: Check what grammar the key word needs. Step 2. 'Have no idea how' + 'to' matches the past tense. Answer: had no idea how. Why not the others: 'What' changes the meaning, 'had not idea' is ungrammatical and 'has' is the wrong tense.
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