问题
选择题
—I think the man over there must be Bob.
—It _____ be him. He has _____ to Australia. [ ]
A. can't, gone
B. can't, been
C. may not, been
D. mustn't, gone
答案
答案:A
—I think the man over there must be Bob.
—It _____ be him. He has _____ to Australia. [ ]
A. can't, gone
B. can't, been
C. may not, been
D. mustn't, gone
答案:A