问题
选择题
I have to buy _________of the two books because I don’t know which to choose.
A．every
B．all
C．one
D．both
答案
答案：D
both意为：（两者）都。符合题中的the two books.
搜题请搜索小程序“爱下问搜题”
I have to buy _________of the two books because I don’t know which to choose.
A．every
B．all
C．one
D．both
答案：D
both意为：（两者）都。符合题中的the two books.