She was the first girl _____(work) out the problem,to work 還是to have worked?
She was the first girl _____(work) out the problem,to work 還是to have worked?
英語人氣：748 ℃時(shí)間：2019-10-14 05:11:45
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She was the first girl _____(work) out the problem,to work 還是to have worked?填to have worked.因?yàn)椴欢ㄊ降耐瓿尚问奖硎尽緞?dòng)作發(fā)生在謂語動(dòng)詞was的先前】.【先解出了to have worked這道題,才有“第一或第二”...
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