People have planted a great many trees in order to________ wind and sand in the desert.
| A．hold down |
| B．hold up |
| C．hold back |
| D．hold out |
Between the two roadsa TV tower called “Skyscraper Tower”.
| A．stands | B．standing | C．which stands | D．stand |
The information he gave us is more important than _____ we got ourselves.
| A．one | B．those | C．that | D．the one |
—Xiao Hua looks unhappy, doesn’t she?----Yes, let’s go and ask______.
A. what wrong is with her B. What wrong was with her
C What is wrong with her D. What was wrong with her.
Allow children the space to express their opinions ________ they are different from your own.
| A．until | B．even if | C．unless | D．before |
A cook will be immediately fired if he is found _______ in the kitchen.
| A．smoke | B．smoking | C．to smoke | D．smoked |