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_______  ________  ________  to come back on time by my parents.

4.     We use the key to lock the door.(改為被動語態(tài)）

The key _________  ________  ________  ________ the door.

3.    Tom is teaching us how we can swim well.(改為簡單句）

Tom is teaching us____________ _________  ________ well.

I know the famous player____________ Kobe.

1.    Many tourists decided to travel by air, including me.(改為同義句）

Many tourists decided to travel by air, ____________  ____________

5.    I stop my father from___________ at home.

A. smoke          B. smoked

C. to smoke        D. smoking

4.    The new treatments___________ by Norman Bethune ,helped a number of soldiers.

A. invent      B. invents   C. inventing    D. invented

3.   It's ________ _ that this is your fourth time to be late for school.

A. said       B. says   C. say       D. to say

2.   ―A number of students____________ in this school.

―Let me  see.   The  number  of  the students _______  about 1,000.

A. are; is           B. is; are

C. are; are          D. is; is

1.   There are__________   3 ，000 students in our school.

A. more         B. over

C. above        D. much more