–Excuse me, haven’t you learned the new law? Everyone in a car must wear the seat belt. -- Sorry, we won’t do that again.
My father arrived Beijing a cold morning. A. in; in B. at; in C. in; on
Tony asked Mike .A. where did he come from B. where he comes from C. where he came from
The pupils will go to plant trees if it tomorrow. A. won’t rain B. doesn’t rain C. isn’t rain
the girl was walking down the street, the alien into a store. A. Until; went B. While; went C. While; was going
—Where is eraser? I can’t find it.—Is the blue one yours?—No, is yellow. A. my; mine B. your; mine C. mine; mine