单项选择题

Although it takes up much of his spare time, Mr. Smith finds stamp collecting extremely _________.

A．progressive
B．encouraging
C．rewarding
D．challenging
<上一题 目录 下一题>
热门 试题

单项选择题
The driver pulled _________ by the side of the road to give a blind man a lift.
A．through
B．out
C．up
D．back
单项选择题
He tricked her _________ him by pretending that he was rich.
A．to marry
B．marrying
C．to marrying
D．into marrying
相关试题