Tom, _____ your job to wash the dishes. [ ]A. this is B. that is C. it

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Tom, _____ your job to wash the dishes. [     ]
A. this is
B. that is
C. it is
D. he is

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举一反三

The English-Chinese dictionary makes________easier for students to understand the English words.      [     ]
A. this
B. that
C. it
D. its

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_____  is important for everyone ______ enough sleep every night.        [     ]
A. It, to have
B. It, have
C. It, has
D. It, had

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__________ is time __________ home.
A. It, go
B. That, go
C. It, to go
D. That, to go

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You can do ________. [     ]
A. this like these
B. it like that
C. that like it
D. it like it

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—_______ to keep our classroom clean and tidy.
—You are right.[ ]
A. That"s our duty
B. This is our duty
C. It"s our duty
D. The duty is

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