A
During my childhood, whenever the sun dropped and the blue sky came up, my father and I would climb the mountain near our house. Walking together, we had a lot of conversations through 1 I learned many valuable lessons. He always stressed to me, “You should have objectives and capacity like the mountain.” This has 2 (large) influenced my life. 3 the mountain-climbing, we couldn’t have had enough time to spend together because my father was busy.
B
You have probably dreamed about 4 you would change the world, only to find that it seems impossible. However, you may have the power 5 (make) the world better with baby steps. That’s the idea behind the BA Challenge, which is a public service campaign co-initiated by Alibaba and Sina Weibo. It asks people to do something positive and then record the changes before and after. Since its first 6 (appear) on Sina Weibo on Sept. 2nd, the BA Challenge has attracted millions of viewers and participants. 7 these little things may be easily ignored in our daily lives, they are well received by many viewers.
C
There’s nothing better than flying to a foreign destination to visit the attractions it 8 (have) to offer. Millions of people are doing the same, and why not? The world has an amazing variety of must-see sights, from breathtaking natural scenery to impressive old cities. But the problem is that too many of us 9 (visit) them at the same time, putting pressure on these delicate and ancient places. That’s why a number of beauty spots and historic sites have been introducing charges or restrictions on the number of tourists. There are many reasons for this: to reduce overcrowding, to manage wear and tear on old buildings and to tidy up the mess 10 (leave) behind.