________ climb the mountains(山).
There ______more and more foreigners learning Chinese now.
All of you went to the zoo ______Wang Hai. He had to look after his grandma.
—I’m sorry, sir. I’ve made a lot of mistakes in the exam. —Never mind. ______, the exam is a little difficult.
—I’m a teenager’s mother. Sometimes I don’t know . —Love and understanding.
Many people in the earthquake in Zhaotong area in Yunnan Province.