题目

1.How long did you ____cleaning?
A.spend B.need C.take D.use
2.He desided___part in the school sports meeting
A.not take B.didn't take C.not to take D.don't take
3.The number of bags ____small,but a number of books ______in the bags.
A.is,is B.is,are C.are,are D.are,is

提问时间：2020-10-31

答案

1.A spend doing sth.
2.C decide to do (or not to do sth.)
3.B The number of 指...的数目 后接单数is .a number of =a lot of 后接复数are!