My brother thinks is difficult TV programmes in English. [

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My brother thinks is difficult TV programmes in English. [ ]
A. it; to understand
B. this, understand
C. he, to understand
D. it, understand

答案

举一反三

Most young people find __________ exciting to watch a football match.[ ]
A. it
B. this
C. that
D. one

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      _ is our duty to keep our earth clean and safe.            [     ]
A. That
B. This
C. It

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_______ necessary for us _______ English well.

A. This is; to learn
B. It"s; to learn
C. It"s; learn
D. That"s; learn

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It"s important     __ English well.     [     ]
A. learn
B. to learn
C. learning

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It"s polite for students   __     teachers.              [     ]
A. greet
B. to greet
C. greeting

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