—Did you find the missing couple in the mountain yesterday? —No,but we _____ to get in touch with them ever since. |
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A. have tried B. have been trying C. had tried D. had been trying |
1年前2个回答
Miss missed,so miss is missing
1年前1个回答
1年前6个回答
1年前3个回答
你能帮帮他们吗