阅读下面短文在空格处填入一个适当的词或使用括号中词语的正确形式填空。

My grandparents (16) ______ (move) to the countryside six years ago. They (17) _____ (live) there for six years. They like the life there because there is fresh air. They loved travelling when they (18) ____ (be) young. So far, they (19) _____ (visit) many countries, such as Japan, France, America and Thailand. In the past, my parents and I often (20) _____ (go) back to the countryside to visit them. But we (21) ____ (not see) them since last year because my parents (22) ____ (busy) with their work and I (23) ____ (work) hard on my studies. My grandmother once (24) _____ (call) us. They have missed us so much. In fact, we have also missed them. So we (25) _____ (decide) to go back this Spring Festival since we received that call. I’m sure we’ll have a happy new year.

参考答案：

16. moved 17. have lived 18. were 19. have visited 20. went 21. haven’t seen 22. have been busy 23. have worked 24. called 25. have decided