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