2 . She is a kind-hearted woman and often has ________ mercy ________ people who are in trouble.

A．a; on

B．/ ; on

C．a; to

D．/; to

3 . Adil is playing _______ football on the playground while Rana is playing _______ violin.

A．the;the

B．/;/

C．The;/

D．/;the

4 . As a film star she was success, but as a wife she was ________failure, so their marriage ended in________failure.

A．a;a

B．a;/

C．the;the

D．/;a

6 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词。
修改：在错的词下面划一横线，并在横线下面写出修改后的词。
注意：每处错误及其修改仅限一词。
1. This picture often brings back to me many happy memories of your high school days.
2. Some will turn out to their parents or teachers for help.
3. In my opinion, students can benefit a lot doing some housework.
4. My father often took me to his hospital when I was off my school.
5. Maybe it is because the combination of fresh air, smooth movement and exercise.

7 . Emily felt completely at ________ loss when ________ word came that her son finally left home. (用适当的词填空)

8 . As is known to us, ________ panda is in ________ danger of becoming extinct. (用适当的词填空)

9 . We don’t think the experiment is ________ failure. At least we have gained ________ experience for future success. （用适当的词填空）

10 . He graduated from ________ university of ________ Yunnan Province. （用适当的词填空）