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----What ________ the number of the students in your school?     

   ---- About two thousand. A number of them _______ from America.

A. is; are         B. is; is      C. are; is     D. are; are

Tom is one of the ____________ students in our class.

A. tall         B. taller     C. more taller    D. tallest

根據(jù)中文提示寫出單詞或詞組，使句意完整、正確。

1.Great changes have taken place in China in ______（最近的）years.

2.—How many boys are there in your class?

—Thirty, about sixty_____(百分之)of the students in our class.

3. —The water in the river is dirty.

—Government has passed_____ (法律) against water pollution.

4.He joined the______(軍隊(duì)) in 2000.

5.“The greenhouse effect”causes the level of the oceans to_____ (上升).

用所給詞的正確形式填空。
【小題1】My friends live on the _____________ ( two ) floor.
【小題2】The boy often               ( go) to the library to read stories.
【小題3】Look! He is         ___（put）on his shoes, he wants to play sports.
【小題4】-----What day is it today?
------It’s ______________ (the first day of a week).
【小題5】Most of the students in our class think math is            ____.（not easy）