单项选择题


A．since
B．but
C．therefore
D．so
<上一题 目录 下一题>
热门 试题

单项选择题
Some people ______ avoid questions of right or wrong and remain neutral about them.
A．thoughtfully
B．deliberately
C．appropriately
D．virtually
单项选择题
The atmosphere ______ certain gases mixed together in definite proportion.
A．consists of
B．consists in
C．insists on
D．persists in
相关试题