精英家教网 > 高中英语 > 题目详情
—I wonder how much you charge for your services.
—The first two are free ________ the third costs $30.
A.whileB.untilC.whenD.before
A
while是并列连词,表示对比,意为“而”。
练习册系列答案
相关习题

科目:高中英语 来源:不详 题型:单选题

Take the note as a reminder ________ you forget to buy some sweets for the kids while shopping there.
A.in case B.so that
C.even if D.as if

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

________ volleyball is her main focus,she's also great at basketball.(2011·北京)
A.SinceB.OnceC.UnlessD.While

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Have you noticed the problem ________ he is now in low spirits?________ come?
A.where;WhatB.that;How
C.in which;ForD.what;As

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Find ways to praise your children often,________ you'll find they will open their hearts to you.(2011·山东)
A.tillB.orC.andD.but

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

After the flooding,people were suffering in that area,________ urgently needed clean water,medicine and shelter to survive.(2012·江苏,22)
A.whichB.whoC.whereD.what

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.
A.whereB.whetherC.howD.that

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

(2013·吉林长春三校高三调研)You know that some people say more but do less ________ others do the opposite.
A.onceB.whileC.whenD.as

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Knowledge is the food of thought ________,as long as it is put in our brain,we will grow wiser.
A.butB.whenC.thenD.and

查看答案和解析>>

同步练习册答案