问题

After that terrible disaster, the officer had no choice but to _________ calm to deal with different problems.

A:require
B:reduce
C:remind
D:remain;

正确答案是：

同类题型

s educated at Beijing University,_____ she went on to have her advanced study abroad

is it from the park to the hotel—It’s about 20 minutes by underground.

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His grandpa lives _____, but he never felt____ .

The manager had fallen asleep where he ____without undressing. [ ]