问题

Please _____________ . The class is too noisy.
A:calm down
B:settle down
C:come up
D:add up
B:settle down
C:come up
D:add up
正确答案是:
同类题型
Is there ____ in today’s newspaper
Who telephoned you just now— don’t know. I was about to answer thephone when it ________.
When asked why he went there, he said he was sent there _____for a space flight. [ ]
all know, Lost in Thailand is a very successful movie, the cost of ______ is only 30 million yuan.