— Is the man our sales-manager? — No, it ______ not be him   he never plays cards.
#4974
A
must
B
can
C
will
D
may
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Tony showed me his new cell phone,  _______  was small but it could change colors in different weather.  
#4967
A
the screen of whom
B
whom the screen of
C
which the screen of
D
the screen of which
—Would you like to come on Friday or Saturday? —______
#4709
A
Yes, of course.
B
Another is better.
C
What’s the matter?
D
Either is OK.