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
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
答
What did they promise to do
Kate began to go after finishing her homework。
答
what did they promise to do
Kate didn't begin to go be(?) until she finished her homework