题目
39. (2.0分) The conference ___ a full week by the time it ends.A. must have lastedB. will have lastedC. would lastD. has lasted
39. (2.0分) The conference ___ a full week by the time it ends.
A. must have lasted
B. will have lasted
C. would last
D. has lasted
题目解答
答案
B. will have lasted