精英家教网 > 初中英语 > 题目详情

The rivers will become dirtier and dirtier ______ we take action to protect them.

A.since B.if C.until D.unless

练习册系列答案
相关习题

科目:初中英语 来源: 题型:单选题

We must hurry up, ________ we’ll miss the plane.

A.or B.and C.but D.so

查看答案和解析>>

科目:初中英语 来源: 题型:单选题

We can’t do well in examination _________ we study hard in school time.

A.if B.and C.since D.unless

查看答案和解析>>

科目:初中英语 来源: 题型:单选题

----Time to go to bed, Mary.
----Oh, mum. I won’t go to bed _______ I finishes my composition.

A.afterB.sinceC.untilD.as soon as

查看答案和解析>>

科目:初中英语 来源: 题型:单词拼写

根据句子意思,用括号中所给汉语提示或英语单词的适当形式填空。在答题卡标有题号的横线上,写出空缺处所填单词的正确形式。(每空一词)
【小题1】 Lucy is one of the _______________ girls in our class. (高)
【小题2】Last term, I _______________ a bicycle to school every day. (骑)
【小题3】 I'm strongly _______________ smoking because it may cause cancer. (反对)
【小题4】We are pleased with the good _______________ in Yangzhou restaurants. (服务)
【小题5】 Rome was not _______________ in a day, so you should work hard to make progress. (建造)
【小题6】 The books on the shelf are that _______________. (visit)
【小题7】The foreigner has been used to _______________ with chopsticks. (eat)
【小题8】Kids, help _______________to some fruit, it's good for your health. (you)
【小题9】 _______________, the "Chinese Dream”will come true in the near future. (hope)
【小题10】Two _______________ of the students have read the book Alice in Wonderland. (five)

查看答案和解析>>

科目:初中英语 来源: 题型:单选题

—What's this in English?
—It's                     ID card.

A.a B.an C./ D.the

查看答案和解析>>

科目:初中英语 来源: 题型:单选题

— I think English is __________ unimportant subject.
— I don’t think so. It is __________ useful tool when we talk with foreigners.

A.a; an B.an; a C.a; a D.an; an

查看答案和解析>>

科目:初中英语 来源: 题型:单选题

—We can’t be successful ________ we keep working hard.
—I agree with you.      

A.if B.unlessC.because D.when

查看答案和解析>>

科目:初中英语 来源: 题型:单选题

        the children have fun, parents can take dance lessons on the beach.

A.When B.If C.While D.Once

查看答案和解析>>

同步练习册答案