It ______ to me that I might try this way to deal with this problem.
A. took place B. burst C. occurred D. happened
—The tree is so tall.
—Yes. It ______nearly 20 metres.
A. measures B. is measured C. measure D. to be measured
Most of the Europeans refuse to accept GM food ______Americans regard it as the fruit from high tech.
A. when B. as C. while D. the moment
Not only John and Tom but also their sister, Mary, ______great interest in the piano lessons.
A. take B. takes C. have taken D. had taken
—Shall I wait here for three hours?
—Yes. Three hours ______for you to wait for such a doctor.
A. are not very long B. is not long enough
C. was not long enough D. will be too long
If nothing______, the oceans will turn into fish deserts.
A. does B. had been done C. will do D. is done
