I have been skating _____ nine o"clock. [ ]A. for B. since C. at D. from

题型：河北省期末题难度：来源：

I have been skating _____ nine o"clock.

[ ]

A. for
B. since
C. at
D. from

答案

举一反三

—Do you know how to use the computer?
—Sorry, I don"t. Why ______ ask the teacher ______ help? [ ]
A. don"t; for
B. don"t to
C. not; for
D. not; with

题型：安徽省期末题难度：| 查看答案

We have to give ________ the plan to the park because of the heavy rain.

[ ]

A. up
B. in
C. out
D. off

题型：山东省期末题难度：| 查看答案

It was rainy all day. We had to stay _____ home.

[ ]

A. at
B. in
C. from
D. around

题型：同步题难度：| 查看答案

—Oh, so many people in the park?
－Nobody likes to stay at home _____ Sunday morning.

[ ]

A. in
B. on
C. at

题型：同步题难度：| 查看答案

She wants to be a guide, so she spends much time ______ English.

[ ]

A. on
B. in
C. with
D. for

题型：同步题难度：| 查看答案