题目内容
22. —Mr. Smith _____ in Russia for 10 years.
—No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.
had stayed B. has stayed C. stayed D. stays
C
略
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22. —Mr. Smith _____ in Russia for 10 years.
—No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.
had stayed B. has stayed C. stayed D. stays
ort and export company, but he ______ for this industrial fair, s
ince he is on leave.