Do you know where _________ some maps?A、can I buy B、can buy C、I can buy
We_______sixdaysaweek,butweonlyworkfivedaysnow.
—When _______ this stone bridge______ ? —In 1935.
They were _______ when they heard the _______ news.
I _____ singing to dancing.
Anna is outgoing.She has _______ friends.