—You seem to have known Dr. Ken for a long time.—That’s true. ________ he joined

—You seem to have known Dr. Ken for a long time.—That’s true. ________ he joined

题型:不详难度:来源:

—You seem to have known Dr. Ken for a long time.
—That’s true. ________ he joined our club years ago.
A.SinceB.UntilC.WhenD.If

答案
A
解析
连词辨析。A. 自从……以来   B.直到 C. 既然,当……时 D. 是否,如果。句意:你好像认识肯博士很久了。——是的,自从他几年前加入我们俱乐部以来。故选A。
举一反三

Helen plays the violin ________, if not better than, Kate.
A.as wellB.so wellC.as well asD.so well as

题型:不详难度:| 查看答案

---- I stayed awake _______ 12 o’clock to wait for my husband to come back last night.
------ Then you _____have had a good sleep, did you?
A.until; mustn’tB.till; can’tC.before; shouldD.when; would

题型:不详难度:| 查看答案
The news shocked the whole nation ____a strong earthquake hit Yushu on Apr.14, 2010.
A.whatB.whenC.thatD.which

题型:不详难度:| 查看答案
—I finished all my work today.
—If____, you can help others with their work.
A.soB.notC.possibleD.ever

题型:不详难度:| 查看答案

Is this science lab ___ some foreign experts visited last Friday?              
A.thatB.whereC.whichD.the one

题型:不详难度:| 查看答案
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