You shouldn’t keep a pet you have enough time to care for it. A．ifB．unlessC．thoughD．when 题目和参考答案——青夏教育精英家教网—

题目内容

You shouldn’t keep a pet _______________ you have enough time to care for it.

A．if

B．unless

C．though

D．when

试题分析: 句意：你不应该养宠物，除非你有足够时间照顾它。 if如果，unless除非，though尽管，when当……时。养宠物的先决条件是有足够的时间照顾它，故选B

练习册系列答案

The story was _______ interesting _______ everyone would listen to it.

— What’s your plan for this weekend?
— We will go for a picnic by the river _______ it rains.

Hurry up, Jack. We have to get to the station before 11:45 we can catch the 12:00 train.

____my brother ____ my sister is able to use a computer. However, I can.

A．Neither ---- nor	B．Not only ---- but also
C．Either ---- or	D．Both---- and

---When did you return to China?
---_________________.

A．Until next week	B．Not until next week
C．a few days ago	D．for a few weeks

—______ does your mother go for a walk？ —Every afternoon.

Nothing can be done _______ he returns.

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