问题
选择题
The two little girls _____ good friends but for the attack of some outside force. [ ]
A. could have been
B. had been
C. were
D. must be
答案
答案:A
The two little girls _____ good friends but for the attack of some outside force. [ ]
A. could have been
B. had been
C. were
D. must be
答案:A