单项选择题

Experts say the space rock is probably （）more than $ 30,000.

A．weighty
B．costly
C．valuable
D．worth

<上一题目录下一题>

热门试题

单项选择题

More thunderstorms （）in summer than any other time of the year.

A．happened
B．have happened
C．happen
D．will happen

单项选择题

To speed （）your entry, please bring your Admission Card with you.

A．up
B．on
C．cut
D．down

相关试题