精英家教网 > 高中英语 > 题目详情
Don’t touch anything in the lab unless____.
A. to be allowed          B. allowed         C, to be allowing  D.allowed to
D
考查从句省略。完整的句子是:unless you are allowed to touch
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


--Will you two go to the show tomorrow?
---No. We're going to a lecture, or at least I'm planning ____.
A.itB.toC.thatD.so

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

Never before in our country_____.
A.has such a thing happenedB.such a thing has happened
C.has so a thing has happenedD.so a thing has happened

查看答案和解析>>

科目:高中英语 来源:不详 题型:阅读理解

Only then             (他意识到) that his stubbornness caused such great damage to the basketball team.(realize)

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

  I’m looking forward as much to her return as she herself to ___ me.
A.have seenB.seeing
C.meetD.be met

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

If Joe’s wife won’t go to the party ,____.
A.he will eitherB.neither will heC.he neither willD.either he will

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

You may take them all home_______.
A.if possibleB.if canC.unless soD.even if you can

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

— Is your mother still a teacher?
— ______.
A.Yes, she wasB.She didn’t use to
C.No, but she used toD.No, but she used to be

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

—— Coffee _____ milk?
—— Only milk, please, _____ I used to like coffee.
A.and; andB.and; but C.or; andD.or; but

查看答案和解析>>

同步练习册答案