用所给动词的适当形式填空。
(1)He____ (prefer) outdoor activities to films last year.
(2)No country ____ (make) such great progress as China in the past thirty years
(3) I called you this morning, but nobody answered it. Oh, I ____ (iron) shirts in the bedroom.
(4)We should prevent air pollution ____ (live) a happier life.
(5)We hope that more charity shows ____ (hold) to raise money for Project Hope.
