问题
选择题
I won't come to the party _____ my best friend _____. [ ]
A. if, will be invited
B. if, is invited
C. unless, is invited
D. unless, will be invited
答案
答案:C
I won't come to the party _____ my best friend _____. [ ]
A. if, will be invited
B. if, is invited
C. unless, is invited
D. unless, will be invited
答案:C