单项选择题

It ______ a lot ______ we can develop something to substitute for petrol.

A．occurs; whether
B．matters; whether or not
C．happens; even if
D．minds; if or not
<上一题 目录 下一题>
热门 试题

单项选择题
A．1120, East 31st Street.B．1120, East 32nd Street.C．1220, East 30th Street.
A．1120, East 31st Street.
B．1120, East 32nd Street.
C．1220, East 30th Street.
单项选择题
A．Eight o’clock.B．Nine o’clock.C．Ten o’clock.
A．Eight o’clock.
B．Nine o’clock.
C．Ten o’clock.
相关试题