—What’s the trouble?—They said I should not be allowed ____ here.They don’t allow ____ in the hospital.
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. ifB. whenC. unless
The volunteer spoke as clearly as she could_____________the visitors understand her. A. to makeB.makingC.made
--Is Jack in his room? ---No,I saw him _____ out with his backpack just now. A. go B. going C. went