All students in the class_______ a loud laugh when the professor told them a joke.
| A．let up | B．let down | C．let off | D．let out |
Japan’s first lady said Wednesday she would not marry Premier Naoto Kan again in life.
| A．other | B．others | C．the other | D．another |
________ will it take to see the Chinese Dream come true for our children and grandchildren?
| A．What | B．When | C．Why | D．How |
It was about 5 o’clock in the afternoon _______ they had their supper.
| A．that | B．what | C．before | D．when |
The teacher knows that you are always the first ________ to the classroom since last september.
| A．coming | B．to come | C．came | D．has come |
We can’t take part in the competition ________ we get our student card.
| A．before | B．if | C．While | D．as |