用所给单词的适当形式填空。
【小题1】My uncle is a famous _____________(art).
【小题2】The music room is on the _______________ (two) floor.
【小题3】It's _______________ (sun) in Beijing.
【小题4】My sister is good at _______________ (sing).
【小题5】I _______________ (arrive）in Toronto yesterday morning.

The man ________ a new car yesterday.(  )

A．buys

B．buyed

C．bought

（题文）We ______ fun on Mars in my dream last night.  （ ）

A．has

B．have

C．had

—What was his name? (   )
—Bin-go ________  his name.

A．was

B．is

C．this

I ____ to a concert yesterday. (   )

A．go

B．went

C．am going