-- You look exhausted! -- I tennis with my friend all the morning.A.playedB.had
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-- You look exhausted!
-- I __________ tennis with my friend all the morning.
A.played
B.had played
C.have been playing
D.will play
试题答案
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。