单项选择题


Passage One
Questions 16 to 18 are based on the passage you have just heard.

A．His friend might have given him the wrong key.
B．He didn’t know where the back door was.
C．He couldn’t find the key in the mailbox.
D．It was too dark to put the key in the lock.
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单项选择题
A．In the fourth year of a biology course.B．In the third year of a biology course.C．In the second year of a biology course.D．In the first year of a biology course.
A．In the fourth year of a biology course.
B．In the third year of a biology course.
C．In the second year of a biology course.
D．In the first year of a biology course.
单项选择题
A．This apple pie tastes very good.B．His mother likes the pie very much.C．This pie can’t match his mother’s.D．His mother can’t make apple pies.
A．This apple pie tastes very good.
B．His mother likes the pie very much.
C．This pie can’t match his mother’s.
D．His mother can’t make apple pies.
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