John and Helen are familiar with travelling long distances.(used)

1.John and Helen  are familiar with travelling long distances.(used)
=>John and Helen....
2.because of his carelessness,Jack failed the test.(so)
=>Jack was..........
3.Her brother decided to go shopping by himself.(made)
=>her brother........
4.eating habits in Vietnam are not the same as those in Japan.(different)
=>eating habits in Vietnam....