helpppppppppppppppppppppppppp em với 5sao + tim thêm ctrlhn ạ

46. Most people in Tokyo travel to work by train.

in + khoảng thời gian

by + phương tiện

47. I have been to Sa Pa many times with my family.

Thì HTHT: (+) S + have/ has + VpII

                (-)S + have/ has + not + VpII 

                (?)Have/ Has + S + VpII +… ?

48. I didn't go to school yesterday because I was ill.

because + mệnh đề chỉ nguyên nhân

49. Nha Trang attracts lots of tourists because it is one of the most beautiful beaches in Viet Nam.

50. Have you heard the latest news about the floods in Da Nang?

Thì HTHT: (+) S + have/ has + VpII

                (-)S + have/ has + not + VpII 

                (?)Have/ Has + S + VpII +… ?