China is a big country ________ a long history.
We must keep our classroom______.A. cleaning B. clean C. to clean
—Would you mind _______ us in the game?—Not at all.A.joining B.join in C.joining in
Don’t worry. We have _______ time to catch the train.A . a few B.lot of C.plenty of
There _______ an English Party in our class next week.A.is going to have B.is going to be C.will have
– It’s fine today. Would you like to go swimming?--Good idea! It is ______ to swim.A. enough warm B. warm enough C. warmly enough