1 . China is a country which ________ (belong) to the third world.

2 . All roads were _____________(堵塞) by the heavy snowfall.(根据汉语提示单词拼写)

3 . You will miss the last bus ______ you hurry up.

A．because

B．if

C．unless

D．until

4 . He felt upset the whole day, ___________ （blame）for cheating in the exam. (所给词的适当形式填空)

5 . We were struggling to keep our________ (平衡) as the boat rolled. （根据汉语提示填空）

6 . She screamed at him, and her eyes________ (看不见) with tears. （根据汉语提示填空）

7 . Suddenly, they ________ (爆发出) into loud laughter.

8 . The nurse carried in a baby wrapped up in a warm ________ (毛毯).

9 . Keeping a ________ (平衡的) diet is of great importance, especially for teens who are growing up. （根据汉语提示单词拼写）

10 . The poor couple held their wedding ceremony on a tight __________（预算）.