初二英语上册第4单元问题

1 bike
by bike I get to school by bike.
ride a bike I ride a bike to school.
2 walk
on foot He goes to park on foot.
walk to He walks to the park.
3 bus
by bus He usually goes to work by bus.
take a bus He usually takes a bus to work.
4 train
by train I get to Beijing by train.
take a train I take a train to Beijing.
5 subway
by subway I get to work by subway.
take a subway Itake a subway to work.
6 boat
by boat I like going sightseing by boat.
take a boat I like taking a boat go sightseeing.
7 taxi
by taxi I get home by taxi.
take a taxi I take a taxi get home.
8 plane
by air I get to America by air.
take a plane I take a plane to America.
9 ship
by ship I have to get to school by ship.
take a ship I have to take a ship to school .