While watching TV, ____.A．the doorbell rangB．the doorbell ringsC．we heard the do

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While watching TV, ____.

A．the doorbell rang	B．the doorbell rings
C．we heard the doorbell ring	D．we heard the doorbell rings

答案

解析

略

举一反三

There are emergency exits in both towers of the hotel, ______ on the other side opposite the elevators.

A．on which arc located	B．where is located
C．which locate	D．which are located

题型：不详难度：| 查看答案

In order to improve English, __________.

A．it is necessary to need a lot of practice.

B．a lot of practice is needed.

C．you need a lot of practice

D．it needs a lot of practice.

题型：不详难度：| 查看答案

The teachers in Senior High Three would like to answer ______ worry the students, especially when the College Entrance Examination is coming.

A．all the questions they think	B．whatever questions they think
C．any questions they think	D．whatever questions they think that

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It was five o’clock in the afternoon _____ they climbed up to the top of the mountain.

A．since 　

B．when

C．That 　

D．until

题型：不详难度：| 查看答案

—How about your negotiations?
—Pretty successful. Full exchanges of opinions allowed both sides of us to better understand ______ each stood on many issues.

A．where

B．that

C．what

D．which

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