My mother is always warning me when I go out, “Don’t get off the bus ____ it is stopping.”
| A．until | B．before | C．while | D．after |
相关试题
Zhai Zhigang is known the world a hero
his walk in space.
| A．as, as, for | B．to, as, for | C．to, as, on | D．in, for, as |
Alice, together with two boys,fo
r having broken the rule.
| A．was punished | B．punished | C．were punished | D．being punished |
When an
d where to build the new factory yet.
| A．is not decided | B．are not decided |
| C．has not been decided | D．have not decided |
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