viết lại câu sao cho nghĩa không đổi:
1.Tom will be twenty next week.
=>It's Tom's.................................
2.The train takes longer time than the plane.
=>The plane.................................
3.Mr.David has five days off for his vacation.
=>Mr.David has a..............................
1.Tom will be twenty next week.
=>It's Tom's twentieth birthday next week.
2.The train takes longer time than the plane.
=>The plane doesn't take as long as the train does.
3.Mr.David has five days off for his vacation.
=>Mr.David has a five-day vacation.