We can't decide ________.[ ]A. to buy which bookB. which to buy the bookC. buying which bookD.

题目简介

We can't decide ________.[ ]A. to buy which bookB. which to buy the bookC. buying which bookD.

题目详情

We can't decide ________.
[     ]
A. to buy which book
B. which to buy the book
C. buying which book
D. which book to buy
题型:单选题难度:中档来源:期中题

答案

D

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