Did you watch Lucy _______ yesterday?
–Where are your parents?–They ___________ on the ground.
–What do people usually eat at Dragon Boat Festival?–___________.
–_____ there some milk in the bridge?- No. There ______ only two bottles of orange juice.
– _________ do you go to your school library?– Three times a month
There is ______ “s” and ______ “u” in the word “bus”.