1.Which do you like _____,tea or coffee?

1.Which do you like _____,tea or coffee?
A.best B.better C.well D.good
2.Do you know the boy _____ the bike?
A.on B.in C.by D.with
3.Americans like to travel by bus _____ it's safer than by car?
A.so B.and C.because D.but