Chia dạng đúng từ trong ngoặc

10. Ten years ago, the government _______________ (decide) to begin a food programme. At that time, many people in the rural   areas _______________ (starve) due to several years of drought.
11. They ___________________(wait) for me when I _________________ at the station (arrive)
12. She ________________ (swim)  in the sea when I ___________________ her (see)
13. ___________________they__________________(play) tennis when it _________________ raining (start)?
14. We __________________ (drive) home from the theatre when the police __________________(stop) us.
15. The wind __________________ (blow) very hard when I ________________(go) out this morning.
16. When she _____________________ (leave) him, he _____________________ (become) quite ill.
17. I _______________(be) looking for some photos when you rang but I ______________(not find)