题目内容
I don’t know ______ Apple iphone4s.
A.that she is so crazy about |
B.what is she so crazy about |
C.why she is so crazy about |
D.how she is so crazy about |
C
考查宾语从句的用法。I don’t know后面接问句,排除A;宾语从句使用陈述语序,排除B;how所问的是方式、程度,而本句中没有相应的词,不合语意,也排除;故选C。
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