前后同时加逗号的词是啥性质?
希望列举几个...还有下面这俩题...最好有讲解
1.We thought there were 35 students in the dining hall, ,in fact, there were 40.
A.while B.wherher C.what D.which
2.I askde my boss for a month's holiday and, ,she agreed.
A.what's more B.that is to say
C.believe it or not D.in other words
急！1111111111111111
参考答案:是表示转折把~~~~~~~~
其实我不是明白你的题目也~~~~不过。AND，IN FACT，THEN等都是表示转折的~~~~~