--Would you like to go bike riding with us tomorrow?  ---Sure, ____ I am busy.A.

--Would you like to go bike riding with us tomorrow?  ---Sure, ____ I am busy.A.

题型:不详难度:来源:
--Would you like to go bike riding with us tomorrow?  ---Sure, ____ I am busy.
A.sinceB.unlessC.whenD.until

答案
B
解析
连词辨析。since 自从……以来;unless除非;when 当……时;until直到……。句意:明天你愿意和我们一起骑自行车兜风去吗?——当然了,除非我忙。故选B。
举一反三
The old man is _______ please keep quiet.
A.sleep, and B.asleep, soC.sleepy, but D.sleeping, but

题型:不详难度:| 查看答案
I like going to the movies with friends and__sports.
A.playB.playingC.to playD.played

题型:不详难度:| 查看答案
—We’ll visit the Summer Palace_____ there is a heavy rain tomorrow.
— OK! Boating on the lake must be great fun.
A.ifB.as soon asC.unlessD.since

题型:不详难度:| 查看答案
It’s not clever_______ others’ homework.         
A.for you copyB.for you to copyC.of you to copyD.of you copying

题型:不详难度:| 查看答案
_______it is not far from my home to school, _____I usually ride my bike to school.
A.Because, soB.Because , /C./, becauseD.So ,because

题型:不详难度:| 查看答案
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