Last week our math teacher set us such a difficult math prob
6个回答

你好.答案是D

1 as none of us worked out ---------这是定语从句部分.as是从句部分的连接词,也是这个从句部分的宾语.搭配是 such -- - - as - -- - .

2 如果是A,句子必须是:- - - -that none of us worked it out --------这是结果状语从句,that是such- -- that的连接词,it是从句部分的宾语.

3 你最好把上面的句子写下来,反复比较和记住,这样就不会搞错了.