单项选择题

By the year of 2010, the world population probably ______ 6 billion.

A．have reached
B．will be reaching
C．will have reached
D．is reaching
<上一题 目录 下一题>
热门 试题

单项选择题
If the test taker finds an item to which an answer is not known, it may be ______ to leave it blank and go on with the test.
A．valuable
B．advisable
C．considerable
D．probable
单项选择题
The audience in the cinema ______ mostly of young people.
A．consisted
B．made
C．composed
D．comprised
相关试题