一、用括号内所给单词的适当形式填空
1. Her brother wants to be an endangered animal (keep).
2. There are four major oceans on the Earth, and the Pacific Ocean is the (large).
3. A thin coat gives little (protect) against the cold.
4. I'm going to do some (research) into the causes of air pollution.
5. His dog died because of a kind of serious (ill).
6. Qi Baishi got great (achieve) in painting in our history.
7. She refuses (attend) the important meeting.
8. He should (explain) to the teacher.

1. keeper
2. largest
3. protection
4. research
5. illness
6. achievements
7. to attend
8. explain

()9. —This is fascinating town I have ever visited.
—Yes, I've never seen a one.

A.the worst; bigger
B.the most; better
C.the better; best
D.the worse; better

9.B

()10. —I think there will be air pollution when there are people driving.
—That's true. I hope the air will be fresher soon.

A.less; less
B.less; fewer
C.fewer; fewer
D.fewer; less

10.B

()11. The classroom is .

A.ten meters long
B.ten meter long
C.ten-meters long
D.ten-meter-long

11.A

()12. —Do you know the man is?
—Maybe 2.26 meters, but I'm not sure.

A.how old
B.how tall
C.how far
D.how many

12.B

()13. In order to finish the project, we'll have to work hours a day.

A.more two
B.two more
C.two another
D.other two

13.B

()14. The house is too small for the family .

A.live in
B.living in
C.to live in
D.lives in

14.C

()15. During the three days, Anna succeeded in fifty trees in the garden.

A.plant
B.planted
C.planting
D.to plant

15.C