单项选择题

A．1/2.
B．1/3.
C．1/4.
D．2/3.
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单项选择题
A．Too many people are smoking.B．The breeze is so strong.C．The window is closed.D．The room is full.
A．Too many people are smoking.
B．The breeze is so strong.
C．The window is closed.
D．The room is full.
单项选择题
A．withB．withinC．forD．on
A．with
B．within
C．for
D．on
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