1.The gardener said that he -------- that trees down yesterd

1.The gardener said that he ________ that trees down yesterday.
A.cut B.had cut
选哪个.为什么,有yesterday是不是就应该用一般过去时.
2.Jim didn't answer the phone,so i guessed he may ______ bath.
A.have B.have had
guessed后面的从句是不是应该一定用过去的时态,那may是不是应该变成might
3.did you _______the tickets before we go to the movie?
A.get B.buy C.take D.sell