1. (2020高二下·连云港期末) 根据句意，选择单词或短语并以其适当形式填空。

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1. （1） During the Spring Festival, a large number of young adultsentertainment channels online.
3. （2） It is strongly recommended by some experts that we should keep windows open to improve the of fresh air.
5. （3） With pocket money going digital, various mobile financial apps for childrenworldwide recently.
7. （4） Of the remaining fresh water, scientists claim that just one percent is easily
9. （5） On May 8, the British Queenthe nation in an inspiring speech marking the 75th anniversary of VE Day.
11. （6） Having seen great，numerous international companies rushed to invest in China.
13. （7） Users can connect to any restaurants to make adirectly through the Meituan app.
15. （8） In response to public health emergencies, museums will reopen in an orderly manner withnumbers of visitors.
17. （9） By a rough，Australia would suffer a loss of $1.1bn in the disastrous fire in February.
19. （10） to relieve traffic jam, a reversible lane(潮汐车道)was put into use in Lianyungang last month.