-When did the Great Wall __________？
-In the Qin Dynasty.
| A．come into being | B．come into use |
| C．come into effect | D．come into power |
-----Tony said he could fix my bicycle, but I really doubt it.
----- _____.He’s good at that sort of thing.
| A．Don’t worry | B．Of course |
| C．A piece of cake | D．I couldn’t agree more |
In order to find ____better job, he decided to study _____second foreign language.
| A．the; a | B．a; a | C．the ; the | D．a; the |
Do you think this shirt is too tight ____ the shoulders?
| A．at | B．on | C．to | D．across |
We ______ the difficulty together, but why didn’t you tell me?
| A．should face | B．might face | C．could have faced | D．must have faced |
______ at the door before you enter my room, please.
| A．Knock | B．Knocking | C．Knocked | D．To knock |