I like using QQ to make ______ easier for friends to contact with each other.
| A．it | B．that | C．this | D．them |
We couldn’t help after hearing the joke.
| A．laughed | B．laugh | C．to laugh | D．laughing |
—I will go to Dalian with my parents next month. — .
| A．Well done | B．Have a good trip |
| C．What a pity | D．How time flies! |
There are many shops on sides of the street.
| A．both | B．every | C．each | D．each of |
He did not write，though he had
| A．careful enough；enough time | B．carefully enough；enough time |
| C．enough careful；enough time | D．enough carefully；time enough |
The Greens will have holiday in China.
| A．two weeks | B．two week | C．two-week | D．a two-week |