单项选择题

At the party, everybody congratulated the scientist（）winning the award after his years of hard work.

A. to
B. on
C. at
D. about

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单项选择题

How many people were killed in the fire（）

A．2.
B．3.
C．6.
D．Non

单项选择题

What does the end of this conversation suggest（）

A．Tile woman’s request is rejected by the man.
B．The woman is too old to study in college.
C．The woman has to take a test to be admitted.
D．The woman is welcome to study ther