问题
Will you buy this T-shirt for Mum— I have no idea. I don’t know______ or not the colour matches her jeans.
A:if
B:that
C:why
D:whether;
B:that
C:why
D:whether;
正确答案是：
同类题型
The students found it easyto_______ what the experienced teacher had taught
I don’t understand _________ that everything’s finewhen it’s not.
What’s your car number—______ 665488.
Some people who don’t like to talk much are not necessarily shy；they just be quiet people.
Dave has few friends here, so he often stays at home so he often feels