题目
I promise I________all the money I owe you by the end of next month.A. will pay backB. will have paid backC. have paid backD. had paid back
I promise I________all the money I owe you by the end of next month.
A. will pay back
B. will have paid back
C. have paid back
D. had paid back
题目解答
答案
B. will have paid back