The sweet smell of the flowers in the garden comes in_______the open window，making us feel in a good mood(心情)．
A．on
B．with
C．through
We must keep our classroom______.
A. cleaning B. cleanC. to clean
—Would you mind _______ us in the game?
—Not at all.
A.joiningB.join in C.joining in
Don’t worry. We have _______ time to catch the train.
A . a fewB.lot ofC.plenty of
There _______ an English Party in our class next week.
A.is going to haveB.is going to beC.will have
– It’s fine today. Would you like to go swimming?
--Good idea! It is ______ to swim.
A. enough warmB. warm enoughC. warmly enough