Many people believe that tea __ first in China about 5，000years ago，（ ）
| A． |
drank |
B． |
is drunk |
C． |
was drunk |
D． |
has drunk |
Are there many students planing trees on the hill？（ ）
A．表语B．定语C．宾补D．主语
I saw Mike go into the library with Mary happily just now．（ ）
A．宾补B．状语C．直宾D．表语
Mr．White must be talking on the phone because he didn't answer the door．（ ）
A．定语B．状语C．主语D．宾语
The days get longer in summer．（ ）
A．谓语B．表语C．宾语D．定语
He was taking photos in the park at this time yesterday．（ ）
A．主语B．表语C．宾语D．宾补