—Would you like to watch the 2014 Nanjing Youth Olympic Games this summer holiday?—I’d love to. I believe it ________ be fun.
Some children are in the playground._______ are very happy.
Thank you for _______ the door for me.
We can fly kites on _______ days.
—_______ cap is that?—It’s my cap.
There _______ a pen and two rubbers in the pencil box.