--The man in a black suit _______ be our youth worker. -- I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.
#74624
A
must; can’t
B
can; mustn’t
C
can; could
D
must; won’t
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— The socks must be Linda’s.— No, they be. They’re too small for her.
#75913
A
mustn’t
B
may not
C
might not
D
can’t
—Could I finish it today or tomorrow ?—Either day is OK．Take your time．You _________ do it as you like．
#78139
A
can
B
must
C
need
D
might
________ people used the computer thirty years ago, but now it’s very popular.
#77155
A
A few
B
Few
C
A little
D
Little
----Where is my watch? I _______ find it. ----Don’t worry. It must be somewhere in your room.
#75367
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t