47. I don't feel as tired after a train journey so I do after a car journey.

so sánh ngang bằng: so ⇒ as

48. The child ran fastly to get to school.

trạng từ của fast vẫn là fast: fastly ⇒ fast

49. If it will rain this afternoon, we will have to cancel our picnic.

câu đk loại 1: will rain ⇒ rains

50. He is very weak to lift this suitcase.

cấu trúc too + adj + to V: very ⇒ too

51. Sun weather can always be depended on in southern countries.

thời tiết nắng ấm: sun ⇒ sunny

52. The man that wife and family are away seems very lonely.

mệnh đề quan hệ: that ⇒ whose

53. Each year more and more people try setting new and unusual records.

cấu trúc try to do sth: setting ⇒ set

54. Someone else put 49,999 dominoes in a line and knocking them all down.

cùng thì với "put". mà nếu put k chia thành "puts" thì k phải thì hiện tại đơn -> đây là thì quá khứ đơn: knocking ⇒ knocked

55. The peel were actually 52 meters long.

peel là số ít: were ⇒ was

56. Why did all the customers at the Red Lion have to pay of their beer that week?

cấu trúc pay for sth: of ⇒ for

47.  so 

48.  fastly

49. will rain 

50.  very 

51. Sun 

52.  that 

53.  setting 

54.  knocking 

55.  were 

56. of