_____you smell something burning? Go and see what's happening.( )
Can
May
Must
Need
Mr. Smith created a new game. Soon all his students ________ rules to play it.
teach
taught
are taught
were taught
Don’t leave your toys on the table, or I ________ them away.
threw
will throw
have thrown
was throwing
—Who do you think will win the race, Bob or Tom?
—It must be Bob. I think he runs ________.
faster
fastest
more slowly
most slowly
________ me, I’ll show you the way.
Follow
Forget
Leave
Punish
I only got four hours of sleep last night, so I feel ________ today.
tired
lonely
hungry
proud