cần gấp
----- Nội dung dịch tự động từ ảnh -----
27. vacation/ since/ we/ haven't/ last/ had/ a/ year.
=>
28. He was sick. He stayed at home. (because)
29. It was very cold. They went swimming. (but)
=>
30. We can go camping. We can go for a picnic. (or)