It was announced that only when the fire was under control ________ to return to their homes.
A. the residents would be permitted B. had the residents been permitted
C. would the residents be permitted D. the residents had been permitted
---- Did you come to the museum by bike yesterday?
---- No. Two meters of snow fell during the night. As a result, several main roads __ .
A. would be blocked B. had been blocked C. has been blocked D. were blocked
----Jack, can you make a sentence to ________ the meaning of the new phrase?
----Well…
A. show off B. turn out C. bring out D. take in
My sister met him at the Grand Theatre yesterday afternoon, so he _______ your lecture.
A. couldn't attend B. mustn’t have attended
C. shouldn't attend D. couldn’t have attended
China’s new food law provides for a food recall system _______ producers have to stop production if their food isn’t up to standards.
A. where B. that C. when D. which
Can you imagine that rats eat 40 to 50 times _______.
A. by weight B. their weight C. in weight D. of their weight
