Rewrite
1. my father went to HCM city by plane
my father.......................
2. going by bus takes you less time than going by train
going by train.............................
3. to master English is by no means easy
It is................................
1. my father went to HCM city by plane
my father..........flew a plane to go to HCM city. ............
2. going by bus takes you less time than going by train
going by train............takes you more time than going by bus. .................
3. to master English is by no means easy
It is..........not easy to master English ......................