—David, how old is your father this year?—______. And we just had a special party for his _____ birthday last weekend.
Different ______ different ______.
Look at this picture first. If Country A is experiencing summer, what is the season(季节)in Country B?
Let’s go to the ____________ to buy some things.
Parents often tell their children not to talk to________.
Five ________ dollars is_________ money.