During the period of recent terrorist activities, people _____ not to touch an unattended bag.

1. During the period of recent terrorist activities, people _____ not to touch an unattended bag.

A. had always been warned B. were always being warned C. are always warning D. always warned

【考点】

过去进行时;

【答案】

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单选题普通

1. —Catherine, everyone was at the two-hour concert except you.

—Sorry, but I _______ my mother, cleaning up the whole apartment.

A. helped B. was helping C. had helped D. am helping

单选题普通

2. —Did you watch the movie Tangshan Earthquake last night?

—I had planned to, but it _______ hard all the time.

A. is raining B. was raining C. has rained D. had rained.

单选题普通

3. — George, the old washing machine doesn't work!

—How come? The repairman just demonstrated（演示）the machine to us and it well.

A. had been working B. would work C. works D. was working

单选题普通