20. When Jane began to take swimming lessons, her main__________was the fear of water.
| A．evidence | B．crisis | C．obstacle | D．Danger |
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 |
---I’m going to Vietnam?
---How long ___ you___ in Vietnam?
| A．are; stayed | B．are; staying |
| C．have; stayed | D．did; stay |