I was surfing the Internet my brother was doing his homework.
| A．after | B．because | C．while | D．When |
--Excuse me， can you tell me how to get to the WC?
-- Go along the hallway and then you will see a sign which will ____ you to it.
| A．follow | B．show | C．lead | D．Leave |
Cao Wenxuan’s new book has just __________. Let’s go and buy one.
| A．come over | B．come down |
| C．come on | D．come out |
Miss Gao asked a question， but it was ___________that nobody could answer it.
| A．very difficult | B．too difficult |
| C．difficult enough | D．so difficult |
John called me as soon as he _______ my package.
| A．receive | B．will receive | C．received | D．Receives |
This room is _________for you to live in.
| A．big enough | B．enough big |
| C．small enough | D．enough small |