Li Ming is _____ and taller than Greg.
A．heaviest
B．heavy
C．much heavier
______ the phone is old, it still works well.
A．But
B．If
C．Although
The movie was______ and we wanted to see it again.
A．enough boring
B．exciting enough
C．enough exciting
---Did you _____ who cleaned the classroom?
---Yes, Sam did.
A．find out
B．look for
C．put out
Bill is so tired that he can______ walk.
A．always
B．hardly
C．hard