You can buy many sweaters _____ a very good price..A. on B. in C. at
--- 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 _______.