is difficult to work on the Great Green Wall. [ ]A. This

题型：同步题难度：来源：

            is difficult to work on the Great Green Wall.      [     ]
A. This
B. It
C. That
D. Its

答案

举一反三

       is said that        tourists visit Geyuan Garden every day.          [     ]
A. That; thousands of
B. It; five thousand of
C. It; thousands of
D. This; three thousand

题型：期中题难度：| 查看答案

Is _____ difficult to learn English well?[ ]
A. this
B. that
C. he
D. it

题型：同步题难度：| 查看答案

____ that he has passed all his school subjects.[     ]
A. It is though
B. It is said
C. That is known
D. It is famous

题型：同步题难度：| 查看答案

Wearing red can make ______ easier for us to take action.    [     ]
A. that
B. it
C. this
D. /

题型：江苏期末题难度：| 查看答案

I think         necessary to do some running in the morning.   [     ]
A. it
B. that
C. this
D. one

题型：江苏期末题难度：| 查看答案