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【題目】—The air pollution is terrible.

It will be worse________we take action to protect the environment.

A.if

B.unless

C.until

D.when

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【題目】—______ does your mother ________ to the park? —By bus.

A. What ; goes

B. How ; go

C. How ; goes

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【題目】He has ________ big familyHis family ________ eating dinner now

Aa;is

Baare

Cthe;is

Dtheare

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【題目】(2013四川南充)Look!Sam ________ TV happily on the sofa

Ais watching

Bwatches

Cwatched

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【題目】 Why do you like history? -- its easy and interesting.

A. so B. for C. because

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【題目】You're supposed to ________ your shoes before you enter the room.

A. take off B. put off

C. get off D. turn off

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【題目】We’ll stay at home if it ______ this afternoon.

A. rain B. rains C. to rain D. will rain

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【題目】Mary, you ________ finish your homework first, and then you can play with your friends.

A.maybe B.may

C.might D.should

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【題目】 Many students often read the book , so we can _____ the book for only two days.

A. keep B. borrow C. watch

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【題目】Nobody could solve this difficult problem alone ________others' help.

A. with B. for

C. without D. from

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