Question

The students pretended __ when the teacher came inA.readingB.to read C.to be readingD.read

Answer 1

选C
pretend to be doing 是强调不定式的动作正在进行的过程中.
pretend to do是强调假装要做某事,而不一定正在进行或者是已经发生.
还有一种完成式pretend to have done 强调假装后面的动作已经完成.
pretend to be reading就表示他假装正在读书
pretend to sleep 表示他要去睡觉

Answer 2

C
pretend to be doing 假装 正在做某事

追问

A呢

追答

pretend to do 固定结构 啊

Answer 3

C

追问

选c为什么不选a

追答

例句：
When when the teacher came in, the students pretended to be doing his homework。
应该是固定搭配