4. [ ] I _____ on this report for three days, and it is only half complete.
(A) has worked
(B) working
(C) have been working
(D) was worked

答案：登入後查看
統計： A(37), B(11), C(152), D(10), E(0) #2076993

詳解 (共 3 筆)

#3687944
現在完成進行式用以表示過去某一時刻開始的...
(共 38 字，隱藏中）
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6
0
#3765799

_____對此報告進行了為期三天的審核，僅完成了一半。

(A) has worked有工作
(B) working工作
(C) have been working一直在工作
(D) was worked已工作

5
0
#3597665
it is only half comp...
(共 69 字，隱藏中）
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2
0