请帮我解决几道高中英语题!在线等!

请帮我解决几道高中英语题!在线等!
根据汉语提示,将下列句子补充完整.
1. The weather in the north is very cold in winter but it________(有时温暖)
2.They are very kind and insist that_________(让我留下吃晚饭)
3.__________(你一旦开始这项任务),you must continue.
4.I would_______(宁可待在家) rather than go out on such a rainy day.
5.you'd better try to________(劝她出去) with us tonight.
6._________(他坚定的表情) showed that he had made up his mind.
7.It was my mother_________(买的这本词典) for me last week.