问题描述:
1,They promised [to help us more]对括号里的提问.
【 】 【 】they【 】 【 】【 】
2,Kate finished her homework.she began to go be改为复合句
【 】 【 】they【 】 【 】【 】
2,Kate finished her homework.she began to go be改为复合句
问题解答:
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