1 . When water is heated, we can see steam ________ from it.

A．rising

B．to rise

C．rose

D．raise

2 . Walking along the river, we heard someone ________ for help.

A．shouting

B．shout

C．shouted

D．having shouted

3 . The professor is explaining how to do the experiment, with many students ______ (围绕) him. (根据汉语提示单词拼写)

4 . With spring a____________, the pink of the apple blossom is beginning to show. (根据首字母单词拼写)

5 . You will see trains ________ (轰隆隆地快速移动) in and out all the time at the subway station. (根据汉语提示单词拼写)

6 . With a local guide ___________ (lead) us all the way, we had a great time in the beautiful mountain. (所给词的适当形式填空)

7 . If you are found c________ in the exam, all your academic grades for the semester will be canceled. (根据首字母单词拼写)

8 . Doc Kilimanjaro deserve its reputation as a crowded mountain _______________________(大量的游客破坏了环境).(with复合结构)(根据汉语提示完成句子)

9 . I could feel my heart ________________ (嘣嘣直跳) and my palms sweating. (根据汉语提示补全句子)

10 . He walked off and left me ________(sit) there alone. (所给词的适当形式填空)