It's eight o'clock .The teacher is coming.Please ___ quiet.It's eight o'clock .The teacher is coming.Please ___ quiet.A./ B.be C.are
问题描述:
It's eight o'clock .The teacher is coming.Please ___ quiet.
It's eight o'clock .The teacher is coming.Please ___ quiet.A./ B.be C.are
答
B.please V+原形 something.表命令,请求.