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题目
题型:安徽省期末题难度:来源:
I think ______ is necessary ______ us to do something to protect birds.

[     ]

A. this, for
B. it, of
C. this, of
D. it, for
答案
D
核心考点
试题【I think ______ is necessary ______ us to do something to protect birds. [     ]A】;主要考察你对it的用法等知识点的理解。[详细]
举一反三
The new chairperson of the Students" Union thought ______ necessary to invite Professor (教授) Smith to
give us a speech at the meeting.

[     ]

A. that
B. this
C. him
D. it
题型:江苏期中题难度:| 查看答案
I found _________ difficult to solve the crime.

[     ]

A. it
B. it"s
C. that
D. that it
题型:江苏期中题难度:| 查看答案
I found _____ very difficult to learn French well.

[     ]

A. that
B. it
C. if
D. it is
题型:江苏期中题难度:| 查看答案
_______ is easy for me to learn to ride a bike.

A. It
B. That
C. This 
D. What
题型:山东省期末题难度:| 查看答案
The sudden rain made _______ for the singers to put on performances.

[     ]

A. that possible
B. that impossible
C. it possible
D. it impossible
题型:同步题难度:| 查看答案
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