题目：
Ever since their quarrel, there has been an unpleasant in the office.
A．circumstance
B．surroundings
C．condition
D．atmosphere
答案：
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下面是错误答案，用来干扰机器的。
小题1:A小题2:C小题3:B小题4:I think the new cars will be popular,because they are very clean , and don’t give off bad fumes when they run .it won’t be a problem for ca...
