[解析]
W:Mr.Wilson,students from Class 2 want to visit the history museum.Will it be all right if I take them there this weekend?
M:How about their revision test?Are they through with it?
W:Yes,they are.
M:In that case,you can go ahead.Try to finish it within one day,so that the students still have a whole day to rest on Sunday.
W:All right.I'll manage.