摘要：-Why? Jack,your clothes so dirty! -Mum,I my storeroom downstairs. A.cleaned B.have cleaned C.was cleaning D.am cleaning 答案:B 提示:上文中指的是“现在 很脏.说明“clean 这个动作与现在有关联.
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—Why, Jack! Someone seems to have called you over there.?
—Yes? I _______ that.?
A. am not realizing B. haven't realized? C. didn't realize D. don't realize?
查看习题详情和答案>>.—why, Jack, you look so tired!
---Well, I _____the house and I must finish the work tomorrow.
A. was painting B. will be painting C. have painted D. have been painting
查看习题详情和答案>>—why, Jack, you look so tired!
—Well, I _____the house and I must finish the work tomorrow.
A. was painting B. will be painting C. have painted D. have been painting
查看习题详情和答案>>