1 . The afternoon lessons begin at 12:30 and f________ at 2:15.

2 . 外面天已经黑了。
________ already ________ outside.

3 . The president kept ________ to the people around when he was passing by. (nod)

4 . 太多的肉和大量的甜食对孩子们没有好处。
Too much meat and ________ ________ ________ sweet food aren’t good for children.

5 . There are over 2,000 students in our school. (同义替换)

A．fewer than

B．more than

C．close to

6 . China has passed a law to ______ (保护) the Yangze River, which is the longest river in China.

7 . She __________ (享受) music when she is at home and having dinner.

8 . 九点三十分了，我该睡觉了。
At 9:30, _________ _________ for me _________ _________ to bed.

9 . Air is so important that no one can live w________ it.

10 . So far 20 students ________ (exchange) their new year gifts with each other.