2 . 假定英语课上老师要求同桌之间交换修改句子，请你修改你同桌写 的以下句子。句中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下面划一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者（从第11处起）不计分。
1. In nature, some insects take on the color of their surrounding to protect themselves.
2. Being curious, believing in what was true made Wang Junyan a success that she is today.
3. As scheduling, the activity will be held in our school auditorium on December 12^th.
4. Devoted himself to community activities，he was praised by the people around.
5. The singer started singing to children and rewarded with smiles.
6. The expert’s argument which the increasing number of cars is the main cause of the rising PM 2.5 have got much support from the public.
7. China is now becoming increasing developed but it is still a developing country.
8. The satisfying smile on my father’s face shows that my brother has a good mark in the exam.
9. The boy hid himself behind the tree in case of his father should see him.
10. It was only when I got home two hours later that I realized I’d forgotten it and there was nothing I could do as the library was closed.

3 . The belief _______ people find it more convenient to shop online _______ in the research.

A．that; was proved	B．if; proved
C．which; was proved	D．whether; proved

4 . There were many more people who got injured in the big fire than _______.

A．was reported	B．it was reported
C．were reported	D．they were reported

5 . The silence in the dark building was scaring. No sound and voice____ heard at that moment.

A．were

B．was

C．is

D．are