Recently I bought a second—hand car _____ was very low．
A．which priceB．the price of which
C．its priceD．the price of whose
This time tomorrow we_____in the classroom，having an English lesson．
A．will sitB．will be sitting
C．are sittingD．are to sit
Tom ______ in the library every night over the last three months．
A．worksB．worked
C．has been workingD．had worked
I don't think you are going today，_______?
A．are youB．aren't you
C．do youD．don't you
The man______is standing on the playground is my maths teacher．
A．whenB．whichC．whoD．where
We can still be friends，_____we?
A．won'tB．haven't
C．didn'tD．can't
