The students pretended attentively when the teacher came in.A．to learnB．learningC．and learned D．to be learning 题目和参考答案——青夏教育精英家教网—

题目内容

The students pretended_______ attentively when the teacher came in.

A．to learn

B．learning

C．and learned

D．to be learning

考察不定式的进行时,pretend to be doing,假装正在做什么,句子的意思是学生们在老师进来的时候假装正在认真学习，故选择D

练习册系列答案

A．to eat, to live	B．to eat, to live in
C．eating, living	D．eating, living in

______ from the top of the tower, the south foot of the mountain is a sea of trees.

Mrs White found her husband ________by letters and papers and________ very worried.

A．surrounding ; looked	B．surrounded ; looked
C．surrounding; looking	D．surrounded ; looking

A sheep_______on this kind of special grass usually grows much faster than_______on ordinary (普通的).

We have new work tomorrow, so we should have all this work .

Thanks to the advice _______ by the experts, we finished our task at an amazing speed.

He sent me an e-mail, ________ to get further information.

by the teacher in class is not a bad thing, but a good thing.

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