．—Dad, why must I stop ______computer games?
—For your health, my boy.
A．play B．to play
C．to playing D．playing
—I didn’t hear you come in just now.
— That’s good. We tried _____ any noise, for you were sleeping.
A．not make B．not to make
C．to make D．making
I always tell my students ______ on the road because it’s really dangerous.
A. not to play B. to play not C. not playing D. not play
The girl was often heard happily in her room.
A．sing B．to sing
C．singing D．sings
—Is Bohai Bridge open to the public yet?
—Yes. It ______ for almost one and a half months.
A．has opened B．has being opened
C．has been open D．was open
-Do you know Lucy’s grandma?
-Of course. She is a kind woman, but she has for about a month since she in the accident.
A．been dead; was killed B．died; was killed
C．been dead; killed D．died; killed
