问题描述:
john( )at his uncle's for 3 days and he is now at home.
A.stayed B.has stayed C.had stayed D.was staying
PS:已知答案是A(不会别瞎说),求原因~
A.stayed B.has stayed C.had stayed D.was staying
PS:已知答案是A(不会别瞎说),求原因~
问题解答:
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