题目内容
用介词或副词填空
The work must be finished ________ 9 o’clock．
by/before
请用介词或副词填空
People didn’t pay attention ________ cultural relics ________ the old days．
Don’t judge a person ________ his clothes．
He worked hard ________ the maths problem，but he still couldn’t work it ________．
She doesn’t take any joke, so don’t play any ________ her．
