Question

The students pretended_______ attentively when the teacher came in.

1. A.
   to learn
2. B.
   learning
3. C.
   and learned
4. D.
   to be learning

Answer 1

D
考察不定式的進(jìn)行時(shí),pretend to be doing,假裝正在做什么,句子的意思是學(xué)生們在老師進(jìn)來的時(shí)候假裝正在認(rèn)真學(xué)習(xí)，故選擇D