Exercise 1: Chia dạng đúng của động từ trong ngoặc 3. When he went home, his mother(cook) dinner, so he took off his coat to help her. 4. When he went home, his mother fcook) . so be had a delicious meal, 5. When he went home, he (cook") because his wife werebusv. 6. When he goes home,he (cook) dinner because he wants to make his wifesurprised. 7. When he goes home, hismother (cook) because she always wants her son to have a delicious meal after a hard workday. 8. When I moved here,I (live) in a remote area for 5years. 9. When she receives the letter,she(call) you. 10. When I was young,I (harbor) the dream of a famousdoctor. 11. When I grow up, I (get) married you. 12. When he grew up,he(join) thearmy. 13. When I see him,I(remind) him to callyou. 14. When I saw him,I (remind) him to call you.