题目内容
() 10. Water pollution is a problem.
A. serious B. danger
C. risk D. strong
3. the,reason,what,main,is
?
Ⅲ.用所给单词的适当形式填空
1. I am worried about his (ill) .
8. After a short rest,he continued (write) his novel.
() 5. You looked for it twice,but you haven’t found it. Why not try ?
A. three times B. a third time
C. the third time D. once
5. The broken trees are so dangerous that we should them (砍断) .
7. What is Jim going to be when he (成长,长大) ?
() 5. —The box is too heavy to carry. What's in it?
一Oh,it is books.
A. full of B. covered with
C. used for D. asked for
iv.单顶选择
() 1. —Excuse me,whose book is this?
—It be John's. It has his name on it.
A. must B. can
C. need D. may