Chuyển câu cho nghĩa không đổi

36. If I don’t come here early, I will miss the bus.

-> Unless _______________________________________________________________

37. If he doesn’t do that, he will get bonus.

-> Unless _______________________________________________________________

38. You can’t visit Paris unless you get a visa.

-> If __________________________________________________________________ 

39. You study harder or you will fail your exam

-> If __________________________________________________________________

40. If it doesn’t rain, we will go for a picnic.

-> Unless _______________________________________________________________