单项选择题

I'm (old enough) (not to) let my trouble (to interfere) (with) my work.

A．old enough
B．not to
C．to interfere
D．with
<上一题 目录 下一题>
热门 试题

单项选择题
They have developed techniques which are ______to those used in most factories.
A．more
B．better
C．greater
D．superior
单项选择题
______is known to all, too much smoking will cause lung cancer.
A．That
B．It
C．As
D．What
相关试题