--- Who’s Mr Brown? --- He’s _______ father.
Miss Li__________ more than 100 books in the last few years.A. read B.has read C. has been reading
My pen-pal Andrew found ______difficult to learn Chinese well.A. / B. that C. it
I want to ues QQ to chat with you on the Internet,Can you tell me_________?A. how to use it B. how to use C.what to use
Don’t talk with your partners in class_______ you are asked to do so.A. if B. when C. unless
The volunteer spoke as clearly as she could_____________the visitors understand her.A. to make B.making C.made