In ancient China, many people built walls around their states to protect their land. It was Emperor Qin Shihuang who had the walls     1    (join) up. The project cost much money and hundreds of thousands of people worked on     2     wall. On the top of it, it is wide enough for five horses or ten men     3    (walk) side by side. Along the wall are watchtowers,     4     soldiers used to keep watch.

I’m a new senior secondary school student. I feel excited because this school     5    (different) in many ways from the former one. Previously, we had     6    (fix) classrooms where students sat in rows. But now it is different. We go to different classrooms for different subjects of our own     7    (choose).

In Tibet, she saw an antelope that told her they were being killed     8     mercy by people for their wool and were now an endangered species.     9    (feel) sad, Daisy traveled to Zimbabwe with the carpet to see the elephants there. Much to her relief, the     10    (Africa) living there protected the elephants well and their number was growing.