Chia động từ sao cho phù hợp với chủ từ
1. Our teacher usually ……………………(give) us many exercises.
2. He often ……………………(catch) a train to work.
3. The cat ……………………(catch) mouse.
4. They ……………………(plant) trees over there at the moment.
5. My old friend, Manh ……………………(write) to me twice a month.