21.i don't really want to go to the museum. ->i'd rather_______________________________ 22.May I borrow your pen ? ->Would you mind________________________ 23. Boiling an egg is not difficult ->it_______________________________________ 24.the ancient Egyptians built the pyramids -> The pyramids__________________________ 25.Cairo is hotter than lon don -> Lon don isn't___________________________ 26.it's two years since I was last in Ha noi ->i have not______________________________ 27.The policeman does not run so fast as the thief ->the thief_______________________________ 28.i haven't seen this man here before -> this___________________________________ 29.the novel is very interesting ->We____________________________________ 30.The flight to Moscow lasted three and a half hour ->it took_________________________________ giup em voii

`21`.I'd rather not go to the museum

`\rightarrow` S + would rather + ( not ) + V-inf : Muốn làm gì

`22`.Would you mind borrowing your pen ?

`\rightarrow` Would you mind + V-ing ? : Bạn có phiền ?

`23`.It is easy to boil an egg

`\rightarrow` It is ( not ) + adj ( for O ) + to do sth : Như thế nào để làm gì

`24`.The pyramids were built by the ancient Egyptians

`\rightarrow` BĐ `-` QKĐ : S + was / were + VpII ( by O )

`25`.London isn't as hot as Cairo

`\rightarrow` So sánh ngang bằng :

`=>` S1 + is / am / are / ... ( not ) + as + adj + as + S2

`26`.I have not been in Ha Noi for `2` years

`\rightarrow` Thì HTHT ( PĐ ) : S + haven't / hasn't + VpII

`\rightarrow` For + Khoảng thời gian : Bao lâu

`27`.The thief runs faster than the policeman

`\rightarrow` So sánh hơn ( Trạng từ ) :

`=>` S1 + V + adv-er / more adv + than + S2

`\rightarrow` fast ( adj / adv ) `->` faster ( SSH ) `->` the fastest ( SSN ) : nhanh

`28`.This is the first time I have seen this man

`\rightarrow` This is the + first / second / third / ... + S + have / has + VpII

`=>` Đây là lần ... đã làm gì

`29`.We are interested in the novel

`\rightarrow` be interested in + V-ing / sth : Hứng thú cái gì

`30`.It took three and a half hour to fly to Moscow

`\rightarrow` It + takes / took + O + time + to do sth : Mất thời gian để làm gì

`\text{# TF}`