单项选择题

While （） in the room， we were all very excite

A.waited
B.waiting
C.towait
D.wait

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单项选择题

来年の9月で（大人）になります。
A、おとな
B、おどな
C、たいじん
D、だいにん

单项选择题

The boy is tall enough （） his age.－－Yes， I was much （） when I was his age.

The boy is tall enough （） his age.--Yes， I was much （） when I was his age.
A.to；shorter
B.at；taller
C.at；shorter
D.for；shorter