4、edon________(buy)melunch.14.Hehadgreatdifficultyin________(control)thecar.15.Rogerhadahardtime_______(try)tofindoutwhohisfatherwas.16.Bill suggested ______ a meeting on what to do for the Shanghai Expo during the vacation.(hold)17. David threatened ______ his
5、 neighbor to the police if the damages were not paid.(report)18.Aftertheplanetookoff,hepractised________(operate)themachineseveraltimes.19.Noneofthesoldierescape_________(kill),andtheyalldiedfromthecaraccident.20.Whichtopicwouldyouliketochoose_________(talk)a