—Are you worried when your son often plays computer games? —Yes. I think playing

题型：江苏期末题难度：来源：

—Are you worried when your son often plays computer games?
—Yes. I think playing too many computer games ______ on teenagers.

[ ]

A. have a good effect
B. has a good effect
C. has a bad effect
D. have a bad effect

答案

举一反三

Which kind of book _____ the twins going to borrow?

[ ]

A. is
B. are
C. do
D. does

题型：江苏期末题难度：| 查看答案

The building there ________ forty floors. How tall!

[ ]

A. is
B. are
C. has
D. have

题型：江苏期末题难度：| 查看答案

Can you imagine what the world _____ like if _____ no computers?

[ ]

A. is; there will be
B. will be; there is
C. are; there will be
D. will be; there are

题型：江苏期末题难度：| 查看答案

The number of tigers in Asia ________ getting smaller and smaller and a large number of
people _________ trying to protect them.

[ ]

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

题型：江苏期中题难度：| 查看答案

There _____ a number of people in the bath room. The number of them _____ almost fifty.

[ ]

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

题型：江苏期中题难度：| 查看答案