Not until _____,_______the diffiult problem.
| A．did he return;we settled | B．he returned;we settled |
| C．did he return,did we settle | D．he returned;did we settle. |
—Sorry I shouldn’t have shouted at you.
— ________.
| A．That’s all right | B．All right | C．Take it easy | D．Don’t mention it |
I had ________ supper at my friend’s last Sunday and ________ food was very delicious.
| A．a; the | B．/; / | C．the; / | D．/; the |
---I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.
---_______! I’m sure you will make it.
| A．Go ahead | B．Good luck | C．No problem | D．Cheer up |
_______ in 1724, this business company is the oldest in my hometown.
| A．Founded | B．Being founded | C．To found | D．Founding |
This new type ______ camera is ______ high quality and is not expensive.
| A．of; on | B．on; of | C．of; of | D．on; on |