问题
选择题
Are you still here?You were here half an hour ago. Who for?
A．were you waiting
B．did you wait
C．are you waiting
D．do you wait
答案
答案：C
根据题意,你还在这儿?你半小时前在这儿.可知下文叙述的是正在发生的事情,故用想现在进行时态,选C,你在等谁?
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