I haven’t seen you for a couple of days . What have you been up ?
| A．in | B．to | C．with | D．for |
A big crowd gathered _____ him ______.
| A．to hear ; speak | B．hearing ; speaking |
| C．to hear ; speaking | D．hearing ; to speak |
The man and the horse _____ fell into the river were drowned.
| A．Which | B．who | C．that | D．of which |
The question is very important. It really needs _______.
| A．carefully discussing | B．carefully to discuss |
| C．to carefully be discussed | D．being discussed carefully |
Follow the directions on the bottle carefully when _______.
| A．you will take the medicine | B．taking the medicine |
| C．to take the medicine | D．taken the medicine |
Do you think ______ important _______ us to learn a foreign language?
| A．that; of | B．it; for | C．this; is | D．that; for |