.The school meeting ________ once every two weeks in the concert hall.
—_____ do you go to the school library? —Once a week.
There are ________ vegetables for supper. Would you please buy some carrots and cabbages?
—-Would you like to drink a glass of apple juice? — _________. I am not thirsty.
John is my _____friend of all the classmates.
—Do you mind if I sit here? —__________________. It’s for Mr. Brown.