— Hi, Susan, I didn’t see you at the party.— Oh, I ____ for an English test.
To make the air clean,Beijing will close some companies________cause heavy pollution.A.thatB.whoC.what
This is the school________we visited last year.
I want to go to some places________it’s cool in summer.
All________they have done is good for us.
Look!The boy________name is Simon is playing soccer with his friends.