1 . 每年五月的第二个周日为母亲节，那天孩子们向母亲表示感恩和爱。(celebrate)(汉译英)

2 . These various photos see tremendous changes of development in Shanghai starting from 1991, ________ Mr. Wu cycled about from alley to alley taking his first shots out of interest. (用适当的词填空)

3 . In the U. K. , from August to October 2021, ________ the Delta strain was prevalent, the country reported 16 COVID-19 deaths per 100, 000 people. (用适当的词填空)

4 . Do you believe a sneeze in the morning can kill you in the afternoon? This happened in 1918, ________ a deadly form of influenza swept across the world. (用适当的词填空)

5 . The square in front of the city’s town hall, ________ the couple had just had lunch with civic leaders, was surrounded by thousands of Chinese, many of them local students. (用适当的词填空)

6 . As a boy, he spent time in the larger cities of Italy, France and Switzerland, ________ bottled water is consumed daily. (用适当的词填空)

7 . 我实在喜欢这个花园，这儿的许多花都散发出甜甜的气味。(汉译英)

8 . 我们的班级是个温暖的大家庭，我们相互关心，相互鼓励。
Our class is a warm family, ________.

9 . The Olympics are an extraordinary sporting event __________(hold) every four years, ____________ thousands of ___________(high) trained and talented athletes gather together in the spirit of friendship, solidarity and fair play in order to compete________ each other in different events. (所给词的适当形式填空)

10 . 我们上周去了北京旅游，那儿有很多名胜古迹。(汉译英)