10 years ago， _________ only one classroom building in our school. And in 10 years， _________ five classroom buildings in our school.

The car is expensive he cannot buy it.[ ]

I saw you come to school by bus this morning. —Oh, I _________ come to school by bus, but it is raining today.

There are ____ sixty students in our class.[ ]

Miss Li has taught ____ English for about 3years.—You are lucky. ____ is a very good teacher.