Viết lại câu sao cho nghĩa câu không đổi: I haven't travelled by plane before

Bài 1: Viết lại câu sao cho nghĩa câu không đổi
1, I haven't travelled by plane before
-> This is the first...............................
2 The last time we had an exam was in June
-> We haven't........................................
3 When did you start learning English ?
-> How long ........................................
4 I don't have a robot in my house
-> There isn't.....................................
5 My father bought this robot from Japan last week?
-> We have had..................................
6 I won't be able to do every thing unless I have a modern robot
->If I................................................
7 Minh likes teaching robots very much
-> Minh is very interested.....................
8 The robot in my house can clean the ploor very week
-> The robot in my house is a very good ................................
9 It's my sister's eighteenth birthday next week
-> My sister will......................................
10 Nam play chess better than Ba
-> Ba doesn't................................................