题目内容

The white granular powder was spread by people themselves.

A. 对
B. 错

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Actually, the misfortunes have happened somewhere in the world.

A. 对
B. 错

People know clearly of what they should do nowadays.

A. 对
B. 错

1. Selecting a mobile phone for personal use is no easy task because technology _____ so rapidly.

A. is changing
B. has changed
C. will have changed
D. will change

–Excuse me, sir. Would you do me a favor?--Of course. What is it?--I ____ if you could tell me how to fill out this form.

A. had wondered
B. was wondering
C. would wonder
D. did wonder

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