-Who’s that man riding along the street. Is it Tom?
-It ______ be Tom. I saw him in the library just now.
A.must | B.may |
C.can’t | D.shouldn’t |
-Who’s that man riding along the street. Is it Tom?
-It ______ be Tom. I saw him in the library just now.
A.must | B.may |
C.can’t | D.shouldn’t |