Choose the option that completes the second sentence so that it means the same as the first, using the key word.
First sentence: It isn't necessary to book in advance.
Key word: NEED
Second sentence: You ___ to book in advance.
Answer and explanation
Correct answer: D. don't need
- Step 1: Check what grammar the key word needs. Step 2. As a main verb, 'need' takes 'to', so 'don't need' fits before 'to book'. Answer: don't need. Why not the others: 'Needn't' takes the bare infinitive, so 'needn't to' is wrong, and the others are not grammatical.
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