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科目: 来源: 题型:014

We can save water_______ turning off taps immediately.

[  ]

Afor

Bby

Cto

Don

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科目: 来源: 题型:014

If it______ tomorrow, we______ at home.

[  ]

Awill rain, will stay

Bwill rain, stay

Crains, stay

Drains, will stay

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科目: 来源: 题型:014

Tom's father likes _______ smoking _______drinking wine.

[  ]

Aboth; and

Bboth; or

Call; and

Dbetween; and

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科目: 来源: 题型:014

I must keep my room_______ and ________.

[  ]

Ato clean;to tidy

Bclean;tidy

Ccleaned;tidied

Dcleaning;tidying

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科目: 来源: 题型:014

The students must stop _______ in class when the teacher is speaking.

[  ]

Ato talk

Btalked

Ctalk

Dtalking

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科目: 来源: 题型:014

The oceans give us food _______ and oil______.

[  ]

Aeating;burning

Beat;burn

Ceating;to burn

Dto eat;to burn

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科目: 来源: 题型:014

We can save electricity _______ lights when we leave the room.

[  ]

Aby not switching off

Bby switching off

Cby not switching on

Dby switching on

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科目: 来源: 题型:014

They can have either a hot drink _________ a cold drink.

[  ]

Aand

Bor

Cbut

Dto

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科目: 来源: 题型:014

Three quarters of the earth ________ water.

[  ]

Ais

Bare

Chave

Dhas

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科目: 来源: 题型:014

There _______ plenty of money and food for us to live in this city.

[  ]

Ais

Bare

Chave

Dhas

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