问题
选择题
— Is Mr. Smith in his office now?
— No, he _____ there. I _____ him in the library a minute ago. [ ]
A. may be, saw
B. can't be, see
C. mustn't be, see
D. can't be, saw
答案
答案:D
— Is Mr. Smith in his office now?
— No, he _____ there. I _____ him in the library a minute ago. [ ]
A. may be, saw
B. can't be, see
C. mustn't be, see
D. can't be, saw
答案:D