Câu 1) ---> Why don’t you( Why)
Câu 2) ---> Why don't- How about (Why-How)
Câu 3) ---> Why don't ( Why)
Câu 4) ---> Let's(Let's)
Câu 6) ---> Let's (Let's)
Câu 7) ---> Why don't ( Why)
Câu 8) ---> Let's(Let's)
Câu 9) ---> Let's(Let's)
Câu 10) ---> How about(How)
