问题

Nelly sings __________ than Sally.

A:if; whether
B:whether; whether
C:whether; if
D:that, whether;

正确答案是：

同类题型

I don’t knowwith this problem．It’s too hard．

Many Chinese students found______ difficult to learnEnglish grammar.

下列句中，没有语病的一句是

Most of us see a doctor ______ when we geta cold or somethingThis won’t cost us a lot

_______ my opinion, you shouldn’t go there by yourself