----Hi, Tracy; how are you doing?
-----I’m tired out, for I ______my living room all day.
A．paintedB．had painted
C．have paintedD．have been painting
D
這題用現(xiàn)在完成進行時，表示動作從過去到現(xiàn)在一直在進行，也可能剛剛結(jié)束，但是動作的影響還在。就像這道題，Tracy一直在粉刷起居室，所以現(xiàn)在很累。
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