单项选择题

Experts say walking is one of the best ways for a person to remain healthy.

A．stay
B．preserve
C．maintain
D．reserve
<上一题 目录 下一题>
热门 试题

单项选择题
He demanded that effective measures be taken to put an end to cheating in exams.
A．hoped
B．urged
C．persuaded
D．convinced
单项选择题
He is a well-trained musician who can perceive very small differences in sound.
A．appreciate
B．understand
C．conceive
D．find
相关试题