题目内容
–I called you up at 8:00 last night, but you didn’t answer the phone.
--Oh, really? I ________with the housework.
A. am helping B. helped C. help D. was helping
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题目内容
–I called you up at 8:00 last night, but you didn’t answer the phone.
--Oh, really? I ________with the housework.
A. am helping B. helped C. help D. was helping