—Are the keys yellow?— .A、Yes, it is B、No, they aren’t C、Yes, she is
--- I didn’t bring back anything from America. --- _________ at all? Why not?
I don’t know if Mike _______to my school tomorrow. If he____, I will be very happy.
Tell your son ____ on the road. It’s dangerous.
I can’t see the blackboard. Can you _______ the light?
Everyone knows China is getting _______.