My grandpa knows the history and medical _______ of many plants.( )
A.wealthB.priceC.valueD.cost
It often takes me two hours my homework in the evening. ( )
do
doing
to do
I won the first prize in exam, So I was proud myself. ( )
in
of
at
Daming in this place since two years ago.( )
have lived
has lived
lives
Tony table tennis ever day.( )
doesn't play
doesn't plays
don't play
Look!they basketball on the playground. ( )
play
plays
are playing