单项选择题

New volcanoes may appear () people do not expect them to be.

A．whenever and wherever
B．when and where
C．whatever and wherever
D．in when and where

<上一题 目录 下一题>
热门 试题

单项选择题
Neither his wife nor his parents () at home today.

A．is
B．are
C．stayed
D．has
相关试题