单项选择题

This substance reacts（）that one.

A、 three times as fast as
B、 as three times fast as
C、 as fast as three times
D、 three times as fast as

<上一题 目录 下一题>
热门 试题

单项选择题
I saw a lot of children playing in the garden, most of them（）girls.

A、 are
B、 were
C、 being
D、 have beern
单项选择题
I don' t think he is slow（）learning a foreign language.

A、 in
B、 on
C、 for
D、 with
相关试题