It is a lovely dog, ?( )
A. |
aren't they |
B. |
doesn't it |
C. |
isn't it |
He can hardly stay awake because he is so tired.______?( )
A.does heB.isn't heC.can't heD.can he
Professor Tu Youyou never stops doing research on Chinese medicine,______?( )
A. |
is she |
B. |
does she |
C. |
isn't she |
D. |
doesn't she |
They didn't play volleyball the day before yesterday.____?( )
A. |
do they |
B. |
don't they |
C. |
did they |
D. |
didn't they |