– We have done a lot to make our city cleaner, but it’s still not enough.– So we should do ________ to improve it.
-----Look at the elephants. Their ears _____ open fans. -----Oh, that’s right.
-----Can you see the little monkey _____ the tree? -----Yes, I can. Very lovely!
-----Do you know _____ man standing under the tree? -----Yes, he is _____ popular singer in China.
-----Is this _____ key, Jim? -----No, it isn’t. It’s _____.
-----Kelly, who’s the girl _____ glasses in the photo? -----Ha-ha! It’s me.