题目内容
There are fewer teaching positions left in big cities, ______ at the same time there are shortages of teachers in small towns.
- A.or
- B.and
- C.so
- D.for
B
考查连词。or 表选择关系;and表并列关系;so和for表因果关系。句子前后是并列关系,所以选B。
考查连词。or 表选择关系;and表并列关系;so和for表因果关系。句子前后是并列关系,所以选B。
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