单项选择题

Calculations, which are astronomically exact, have been made ______ with the use of computers.

A．possible
B．it possible
C．possibly
D．to be possible
<上一题 目录 下一题>
热门 试题

单项选择题
Did he tell you what ______ if he had a chance
A．was he going to do
B．he would do
C．be had done
D．had to do
单项选择题
To handle the delicate situation, you must be ______.
A．more careful
B．more carefully
C．carefully enough
D．enough carefully
相关试题