__________his exercise book, he was scolded by the teacher.

A．Not having handed in

B．Having not handed in

C．Not handing in

D．Handing not in

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参考答案

【答案】A。解析：因为主句是过去时，没交作业是发生在过去的过去，所以状语从句应该用过去完成时。故选A。此句意为：他没有上交练习册，受到了老师的责备。

1 I don't think__________ possible to finish so much work within so short a time.

A．this

B．That

C．its

D．it

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2 Helen had to shout__________above the sound of the music.

A．making herself

B．to make herself hear

C．making herself heard

D．to make herself heard

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3 You' re __________ your time talking to him, he' 11 never understand.

A．spending

B．wasting

C．losing

D．missing

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