单项选择题

This is the same article () the professor recommends for our extra reading.

A. as
B. that
C. which
D. what

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单项选择题

A. called himself
B. you call
C. calling himself
D. is called

单项选择题

--Will you please spare me a few minutes now
-- (). But I'll be free in half an hour.

A. No I can't
B. Yes, with pleasure
C. No problem
D. I'm afraid not