-______ did he stay up late last night? - Because he studied for the English exam. A. When B. Why C. Where
Diaoyu Islands _________China ever since ancient times.
—Would you help me clean up the classroom, Bill? —____________.
There____a basketball game between Class 8 and Class 12 tomorrow afternoon.
The man_________ is talking to our teacher is Betty’s father.
You mustn’t go off on your own, because you______get lost in the mountains.