Lab can’t go to school today because she was ill -> Tom was__________

Tom can’t go to school today because he was ill.

`→` Tom was ill so he can't go to school.

`-` Tạm dịch `:` Tom không thể đến trường hôm nay vì anh ấy bị ốm.

`→` Because dùng để chỉ nguyên nhân 

`→` So dùng để chỉ kết quả