问题详情：
用方框中所给短语的适当形式填空。
divide into, fall into, by mistake, take place, all of a sudden |
1.________________，I found my handbag lighter a lot.
thief ________________ here again yesterday evening.
can ________ the whole class ________ four groups.
________________ the lake because of carelessness when he was fishing.
5.I took the wrong train ________________.I didn't even know it until half an hour later.
【回答】
of a sudden place de；into
into 5．by mistake
知识点：选词填空
题型：完成句子
