51. B

52. A

53.D

54.A

55.C

The flight to Ha Noi lasted 3 hour

-> It took me 3 hours to flight to Ha Noi

Chia động từ

1.Lan never (goes).goes..fishing when it is hot

2.When i got to the station, my pen pal (wait).was waiting..for me

3.Listen! i think someone (knock)..is knocking.at the door

4.Where would you (go).go..if you had a lot of money?

5.The room looks tidy. Somebody (clean).had cleaned..it

Cho dạng đúng

1.She doesn’t type as..quickly.as her friends.(quick)

2.Many students by the.hardly..for the exams to 10 grade.(hard)

3.Their.friendship..made the party atmosphere warmer.(friend)

4.They were impressed by the..beauty.of the city.(beautiful)

5.He has a big stamp.collection..(collect)

shop nha mình copy nhầm

Old People find shopping in supermarket difficult => It’s difficult for old people to shopping in supermarket