摘要：23．-Hi , Tracy , you look tired. -I'm tried. I the living room all day. A．painted B．had painted C．have been painting D．have painted
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—Hi , Tracy , you look tired. —I'm tried. I ______ the living room all day.
A. painted B. had painted C. have been painting D. have painted
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—Hi , Tracy , you look tired. —I’m tried. I ______ the living room all day.
| A．painted | B．had painted | C．have been painting | D．have painted |