`43` B `->` fewer 

`->` days là danh từ đếm đc nên dùng fewer

`44` C `->` ten- minute 

`->` danh từ ghép nên ko có s 

`45` D `->` very well

`->` Sau động từ là trạng từ

`46` A `->` was 

`->` Vì Chủ ngữ là số ít

`47` C `->` from

`->` different from: khác với

`48` B

`->` Although + S + V + O

`->` Despite + Ving / N /N phrases

`49` D

`->` Câu đk loại 1 

`50` D

`->` Câu BD với should

S + should + be+ Vpp+ by + O ...

`51` B

`->` Câu BD thì QKD 

S+ was / were + Vpp+ by + O

`52` A

`53` Sophie used to be afraid of dogs when she was a litlle girl. 

`->` used to+ V ( bare ): đã từng

`54` His new guitar isn't  the same as his old one.

`->` isn't the same as = different from: khác nhau 

`55` The internet is used all over the world.

`->` Câu Bd thì HTD

S + is / are / am + Vpp+ ...

`56` Ha is interested in going on a picnic with her friends at weekend 

`->` like = interested in: thích

`57` My grandfather doesn't like football and my  father doesn't like, either 

`58` It's not very far from Ha Noi to Noi Bai airport.

`59` Which musical instrument do  you have ?

`60` Can you tell me how to cook beef and noodles?