精英家教网 > 高中英语 > 题目详情
Scientists say it may be five years _____ it is possible to test this medicine on human patients.

A. since
B. until
C. before
D. when
相关习题

科目:高中英语 来源:2013届安徽省高二下学期期末考试英语试卷(解析版) 题型:单项填空

Scientists say it may be five years ______ it is possible to test this medicine on human patients.

    A. since                B. until                C. before               D. when

 

查看答案和解析>>

科目:高中英语 来源:2012届度安徽省高三上学期第一次月考英语题 题型:单项填空

Scientists say it may be five years ______ it is possible to test this medicine on human patients.

A. since                B. until                C. before           D. when

 

查看答案和解析>>

科目:高中英语 来源:20102011年安徽省高二下期末联考英语 题型:单项填空

Scientists say it may be five years ______ it is possible to test this medicine on human patients.

    A. since                B. until                C. before           D. when

 

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

Scientists say it may be five years ______ it is possible to test this medicine on human patients.


  1. A.
    since
  2. B.
    until
  3. C.
    before
  4. D.
    when

查看答案和解析>>

科目:高中英语 来源:专项题 题型:单选题

Scientists say it may be five years _____ it is possible to test this medicine on human patients.
[     ]
A. since
B. until
C. before
D. when

查看答案和解析>>

科目:高中英语 来源:2011-2012学年安徽省无为县开城中学高二下学期期末考试英语试卷(带解析) 题型:单选题

Scientists say it may be five years ______ it is possible to test this medicine on human patients.

A.sinceB.untilC.beforeD.when

查看答案和解析>>

科目:高中英语 来源:安徽省泗县双语中学2012届高三摸底考试英语试题 题型:016

Scientists say it may be five years ________ it is possible to test this medicine on human patients.

[  ]
A.

since

B.

until

C.

before

D.

when

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

Scientists say it may be five or six years ________ it is possible to test this medicine on human patients.


  1. A.
    since
  2. B.
    after
  3. C.
    before
  4. D.
    when

查看答案和解析>>

科目:高中英语 来源: 题型:

Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.

A.since           B. before      C. after     D. when

查看答案和解析>>

科目:高中英语 来源: 题型:

Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.

A.since           B. before      C. after     D. when

查看答案和解析>>


同步练习册答案