____ usually convenient to take the underground train to most places. [ ]A.

题型：同步题难度：来源：

____ usually convenient to take the underground train to most places. [ ]
A. You are
B. It is
C. He is
D. She is

答案

举一反三

_____ is not easy to learn a foreign language.
A. This
B. That
C. It
D. Which

题型：同步卷难度：| 查看答案

_____ isn"t easy to learn a foreign language well. But don"t give it up.
A. That
B. Which
C. It
D. This

题型：同步题难度：| 查看答案

It"s half past eleven. It"s time _______ have lunch.
A. to
A. of
C. at

题型：贵州省同步题难度：| 查看答案

_______ is dangerous for us to swim in the river alone.[ ]
A. It
B. That
C. This

题型：湖南省中考真题难度：| 查看答案

I think _______ very important for students to study by themselves in the school or at home.[ ]
A. it
B. this
C. that

题型：湖南省中考真题难度：| 查看答案