—I wonder if I can learn English well.
—______．All things are difficult before they are easy.
| A．I am afraid so | B．You're slow |
| C．It takes time | D．It's a piece of cake |
I wish I could go to Mars one day.
| A．a few days. | B．that day. | C．in one day. | D．some day. |
My father was reading newspapers ____ my mother was cooking at this time yesterday evening.
| A．when | B．which | C．while | D．because |
--- How soon will the boss come back?
---__________ about three days.
| A．For | B．After | C．In | D．During |
--- What do you think of the film Avatar?
--- It’s fantastic. The only pity is that I _______ the beginning of it.
| A．missed | B．was missing | C．miss | D．will miss |
The earthquake which happened in Japan __ March,11th , 2011 was a big disaster(灾难).
| A．at | B．on | C．in | D．to |