1.I always eat it___ bus.a.on b.in c.of
1.I always eat it___ bus.a.on b.in c.of
2.I take another bus or the subway,It takes me 20 minutes by bus ___ the subway.
a.or b.and c.for
3.We don't know ____(怎样到达) the bus station.
4.The students work in __ (group) in our class.