问题

Don’t put off today’s work for tomorrow. I mean, today’s work _____today.

A:may do
B:must do
C:may be done
D:must be done;

正确答案是：

同类题型

–I believe that more effective measures have to be taken before we can breathe cleaner air.–______. Air pollution has become too serious a problem.

There was something wrong with the network，or the e-mail____ earlier

When I went into her room, she was _____ in her book. [ ]

Many students believe the choice of their courses and universities should____ __ their own interest.

There isn’t going to be any pollution inthe future, _________