问题
选择题
- You look exhausted!
- I __________ tennis with my friend all the morning.
A．played
B．had played
C．have been playing
D．will play
答案
答案：C
考查时态。根据关键词all the morning可知这里是指一直在做某事，用完成进行时表示从过去某个时间开始到现在一直在做的事情。句意：我一直在和我的朋友打网球。