You ______ buy some reference books when you go to college. A. could B. will have to C. must to

如题所述

第1个回答  2012-11-01
You __will have to ____ buy some reference books when you go to college.
答案选B,从句用一般现在时,主句用将来时。只有B符合要求
第2个回答  2012-11-01
你好。答案是B
语法原理: 主将从现。
You will have to buy some reference books (主句) + when + you go to college(从句).本回答被网友采纳
第3个回答  2012-11-01
答案选A. could
当你上大学时,你可以买一些参考书。追问

为啥?

第4个回答  2012-11-01
A could
第5个回答  2012-11-01
B