--Wow, so many new buildings! But it used to be a poor village.--Yes, ___ has changed in our hometown.
—Did you get there by ______ bike?—No, I took ______ taxi.
When it is winter in China, it is _______ in Australia.
Which of the following is Chinese?
Pandas are our Chinese treasure. They feed on(主食) __________.
Koalas come from __________. They are very cute.