题目内容

A rescue worker risked his life saving two tourists who ________ in the mountains for two days.

A. are trapping
B. have been trapped
C. were trapping
D. had been trapped

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The classroom ________ by students every day.

A. cleans
B. cleaned
C. is cleaned
D. is cleaning

It was the natural disaster, rather than human errors, that ________ for the death of so many innocent people.

A. are blamed
B. was to blame
C. was blamed
D. were to blame

Please don’t stand up in class until you ______.

A. were told to
B. are told
C. are told to
D. were told

Oral English exams _______ in China twice a year to give more chances to the students.

A. has held
B. will be held
C. will hold
D. has been held

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