選 D
由時(shí)態(tài)判斷 要用完成時(shí)態(tài) 然后由于前面的從句為獨(dú)立主格結(jié)構(gòu) 為主動(dòng) 故為D
Whitout you _____ us, we couldn't have done it.
Whitout you _____ us, we couldn't have done it.
A.helpedB.helpingC.being helpedD.having helped
A.helpedB.helpingC.being helpedD.having helped
英語人氣:228 ℃時(shí)間:2020-04-22 13:22:55
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