. Whenever she is in trouble, her parents always come to her_____, which makes her thankful.
| A．houses | B．family | C．assistance | D．safety |
Scientists say it may be five or six years ______ it is possible to test this medicine on human patients.
| A．before | B．after | C． since | D．when |
If you commit a crime, you will ____ punishment.
| A．desire | B．deserve | C．demand | D．desert |
The victims of the accident demanded that the case ______ at once.
| A．would be looked into | B．should look into | C．be looked into | D．look into |
We each took ______ tea after having ______ wonderful supper at my aunt’s yesterday.
| A．a; / | B．/; / | C．the; the | D．a; a |
—Look！Here comes the bus and I have to go now. Thank you for coming to see me off.
—Goodbye，and______！
| A．congratulations | B．all the best | C．cheer up | D．go ahead |