单项选择题

It is said that this medicine is ______ against fever.

A. economic
B. easy
C. expensive
D. effective
<上一题 目录 下一题>
热门 试题

单项选择题
He has changed his ______ about spending so much money on the book.
A. brain
B. head
C. mind
D. thought
单项选择题
If you travel in a strange place, a tour ______ may save you a lot of time.
A. director ______
B. helper
C. guide
D. assistant
相关试题