选择出不同类的单词。

【小题1】

A．helped B．happened C．wants

【小题2】

A．a B．an C．the

【小题3】

A．in B．out C．to

【小题4】

A．seven B．again C．ten

【小题5】

A．fun B．nice C．bad

— What’s _______ matter with you? ( )
— I have _______ bad cold.

A．an; the

B．the; /

C．the; a

D．the; the

My grandmother has got _______ earache. ( )

A．a

B．an

C．the

读一读，选择正确的单词补全句子。
【小题1】I have _________ (second / two) pens.
【小题2】Can I have __________ (a / an) apple, please?
【小题3】My classroom is on the ___________ (first / one) floor.
【小题4】How many __________ (ruler / rulers) do you have?
【小题5】Let us clean the __________ (teacher's / teachers') office.