There is ______ American boy in our class and ______ boy can speak good Chinese .
Has he ever been heard __about his trip to the lonely island?
Children can play “trick or treat” games on ____in western countries.
It’s _____ unusual day for him to get ______ useful stationery.
—Look at the sign. It says “No Parking”. ----.
Have you finished you homework ? Yes, I have finished it.