单项选择题

A．keep
B．retain
C．maintain
D．reserve
<上一题 目录 下一题>
热门 试题

单项选择题
A．Wear a seat belt for health reasons.B．Wear no seat belt for health reasons.C．Get a valid medical certificate before wearing a seat belt.D．Pay a fine rather than wear a seat belt.
A．Wear a seat belt for health reasons.
B．Wear no seat belt for health reasons.
C．Get a valid medical certificate before wearing a seat belt.
D．Pay a fine rather than wear a seat belt.
单项选择题
A．He did better in an earlier exam.B．He didn’t pass the physics exam.C．He found something wrong with the exam.D．He didn’t work as hard as he was supposed to.
A．He did better in an earlier exam.
B．He didn’t pass the physics exam.
C．He found something wrong with the exam.
D．He didn’t work as hard as he was supposed to.
相关试题