The boy was so tired that he fell asleep ________ his mother could take off his clothes.[ ]

______ be Mr．Johnson who is in the office．— No, it _______ be him．I saw him off at the airporthalf an hour ago．

We are considering the students’ request _________ the school canteen should provide more kinds of food especially during the weekends．

you going to live with us this summer,Auntie Rosemary— ______, dear.

The new system is better _________ itprovides faster access to the Internet.