Ai giúp em với ạ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

$Đáp$ $án$ + $giải$ $thích$:
`1`. $\text{I have learned/learnt Spanish for 3 years.}$

`-` `C`ấu trúc từ QKĐ `->` HTHT:

`->` $\text{S + have/has + V3/ed + for.../since...}$

`2`. `B`ecause of Tim's sickness, he didn't enjoy the summer camp.

`->` `C`ấu trúc: $\text{Because of + N/Ving, S + V: bởi vì..}$

`3`. `T`hree hundred students took part in swimming competition last year.

`->` `C`ấu trúc: $\text{S + take part in + N/Ving: tham gia vào cái gì...}$

`-` `DHNB`: `L`ast year `->` chia `QKĐ`

`-` `C`ấu trúc: $\text{S + V2/ed + O}$

`-` `V1`: `T`ake - `V2`: `T`ook - `V3`: `T`aken

`4`. `N`orth Pele is so cold that humans can't live there.

`->` `C`ấu trúc so...that (Qúa.....đến nỗi mà)

`-` $\text{S + tobe + so + adj + that + S + V}$

`5`. `B`ecause of the awful weather, we didn't enjoy our camping holiday.

`->` `C`ấu trúc: $\text{Because of + N/Ving, S + V: bởi vì...}$