单项选择题

The first textbooks for teaching English as a foreign language came out in the 16th century.

A. having written
B. to be written
C.being written
D. written
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单项选择题
A. Yes, I look tired. B. Yeah, I’m sure. C. I’ve got a headache. D. Don’t mention it.
A. Yes, I look tired. B. Yeah, I’m sure.
C. I’ve got a headache. D. Don’t mention it.
单项选择题
According to the passage, the company Sodex trades in______.
A. cleaning services

B. catering only
C. facility management

D. multi-service
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