题目内容

7. (2014江苏扬州江都区上学期期末,3. * ★★) There are so many kinds of cellphones in the shop. We can't decide  .

   A. what to buy     B. to buy what

   C. which to buy   D. to buy which

7. C

7. C考查“疑问词+to do sth. ”结构,所以选项B、D错误;which 表示有范围的选择,所以选 C.

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