单项选择题

A．must be
B．must have been
C．ought to be
D．should be
<上一题 目录 下一题>
热门 试题

单项选择题
A．ConsequentlyB．HoweverC．MoreoverD．Nevertheless
A．Consequently
B．However
C．Moreover
D．Nevertheless
单项选择题
A．whoseB．thatC．whichD．what
A．whose
B．that
C．which
D．what
相关试题