一、单句语法填空
1.In most countries,presidential (elect) are held every four years.
答案:elections
2.Last week I received an encouraging (respond) to my advertisement.
答案:response
3.The (marry) between the couple only lasted for less than two years.
答案:marriage
4.Fill in the form below and you will be making a (save) of $6.6.
答案:saving
5.I didn’t manage to do it you had explained how.
答案:until
6.With his help we have replaced human labour machines.
答案:with
