DÙNG NHỮNG TỪ CHO TRƯỚC ĐỂ VIẾT CÂU
1Sahara/third /largest/desert /world
2You /mustn't /forget/bring/your /walking/boots.
3Carribbean /Sea/between/North /South/America.
4you/like/visiting/volcano/our/contry
5Tam/Nam/seeing /some/pictures/natural/wonders/now.