改错:it is important for us to know what had happened at home

改错:it is important for us to know what had happened at home and abroad . had改为have还是has,为什
不能输啊gh 1年前 已收到2个回答 举报

乖崽 春芽

共回答了18个问题采纳率:94.4% 举报

had--has

1年前

3

泪伤之城 幼苗

共回答了1个问题 举报

当然是改成has啦~what做主语一般都用has。

1年前

2
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