用括号内所给单词的适当形式填空。
1．It's hard to make a (decide) without knowing all the facts.
2．It's been five years since I (come) to this school.
3．Smart phones are (wide) used in our life.
4．Amy looks smart with a pair of (glass) on her nose.
5．Are there any (Canada) in your hotel?
1.decision2.came3.widely4.glasses 5.Canadians