单项选择题

To test his theory, the chemist ______ an experiment.

A. set up
B. set out
C. set forth
D. set in
<上一题 目录 下一题>
热门 试题

单项选择题
It is desirable that the airplane______as light and fast as possible.
A. be made
B. is made
C. were made
D. has been made
单项选择题
He preferred to write the letter by hand______.
A. to typing it
B. than type it
C. to type it
D. rather than type it
相关试题