`1`.

`-` Although Mary tried several times , she couldn't find a taxi

`\rightarrow` Although + C1 + C2 : Mặc dù

`-` In spite of trying several times , Mary couldn't find a taxi

`\rightarrow` In spite of / Despite + V-ing / N + Clause : Mặc dù

`2`.

`-` Despite feeling tired , he stayed up to keep us company

`\rightarrow` Despite / In spite of + V-ing / N + Clause : Mặc dù

`-` However he felt tired , he stayed up to keep us company

`\rightarrow` However / Nevertheless + C1 + C2 : Tuy nhiên

`4`.My mother used to go to work by bike

`\rightarrow` `\text{S + used to + V :}` Đã từng

`5`.We used to play these games when we were small

`\rightarrow` `\text{S + used to + V :}` Đã từng

`6`.How much did the first class ticket pay ?

`\rightarrow` Hỏi giá : How much + do / does / ... + N + cost / pay ?

`7`.How far is it from the village to the beach ?

`\rightarrow` Hỏi khoảng cách : How far is it + from N1 + to N2 ?

`8`.In spite of not having much time , they came to visit us

`\rightarrow` In spite of / Despite + V-ing / N + Clause : Mặc dù

`9`.

`-` Although he is too old , he still does his gymnastics every morning

`\rightarrow` Although + C1 + C2 : Mặc dù

`-` Despite his age , he still does his gymnastics every morning

`\rightarrow` Despite / In spite of + V-ing / N + Clause : Mặc dù

`10`.What are you going to Da Lat in December for ?

`\rightarrow` What ... for ? : Vì mục đích gì ?

`\text{@ TheFox}`