——Our math teacher has ____hair.
Roy made three kites, but of them can fly high in the sky.
---I saw Kate in the park this morning.---No, it him. He moved to Canada last week.
---When did Mr Green arrive in London?---He arrived there the evening of December 6th.
There are ______ students in the our school.
---How ____ is it from here Ningbo to Xi’an?---It’s about two ____ flight.