Câu 1: Chia động từ
1, Nam (be) is a doctor but his father (be) is a farmer.
2, My mother (be) is at home now.
3, Where you (be) are now?
4, He always (do) do his homework in the morning.
5, Now I (do) am doing my homework.
6, She (cook) is cooking dinner now.
7, They (listen) are listening to...