Viết lại câu ko làm thay đổi nghĩa :
1 : My father is older than my mother . My uncle is older than my father . -> My uncle ................................................................
2 : This sweater is thicker than that one . -> That sweater is ......................................................
2 : It 's necessary to arrive on time . -> We ..............................................................................
1, My uncle is the oldest person.
2, That sweater is thinner than this one.
3, We must arrive on time.
Viết lại câu ko làm thay đổi nghĩa :
1 : My father is older than my mother . My uncle is older than my father .
-> My uncle ...................is older than my mother.............................................
2 : This sweater is thicker than that one .
-> That sweater is ................thinner than this one......................................
2 : It 's necessary to arrive on time .
-> We ..............need to arrive on time..............................