1 . You may feel anxious that you are developing at a different rate to your friends, ______ ______ in height (快速长高)or ______ ______ far behind (远远落在后面). (根据汉语提示完成句子)

2 . In the distance, elephants were eating grass, ears ________ (拍打) lazily as they moved slowly over the plains. （根据汉语提示单词拼写）

3 . Three camels, slowly ________ (咀嚼),were resting on their knees and watching our arrival with interest.（根据汉语提示单词拼写）

4 . __________ (stand) inside were many young people who were out of job recently. （用单词适当形式填空）

5 . Do you know the boy ___ under the big tree ?

A．lay

B．lain

C．laying

D．lying

6 . When I went into the room, I saw my foreign teacher ____ some students with their oral English.

A．helping

B．to help

C．help

D．having helped

7 . With two children _____ middle school in the nearby town now, the parents are working hard.

A．to attend	B．attending
C．attended	D．having attended