--- Your backpack is very nice.--- ____
My brother Peter is good at model planes.
— Bob, can you play violin?— Yes, but I don’t have violin.
A:My bike was broken so I had to walk a long way home today.B:______________.
A:Where were you when I called you last night?B:I _______TV at home.
A:Do you think Tom will come to the party tonight?B:I don't think so. He has to ________the coming exam.