1 . Funnily enough I can remember what I had for lunch ________________ July 5^th,2012, but I’ve forgotten what I had for breakfast today. (用适当的词填空)

2 . First constructed in the 10th century as a part of a villa, the garden of Keyuan in Suzhou, Jiangsu province, was rebuilt and renewed on numerous occasions ________ history until it became a Confucian academy in 1805. (用适当的词填空)

3 . ______ its first day of trading, Shake Shack went from $21 a share to just under $ 46 a share. (用适当的词填空)

4 . （2021年北京卷）While riding his bike home ________ a cold night, he came across a sad-looking elderly woman wandering the streets by herself.（用适当的词填空）

5 . The survey shows that roughly three-quarters of the 86 tree species surveyed have shifted their population centers westward ________ 1980. （用适当的词填空）

6 . It began on January 19 and finished ________ the early morning of January 20. (用适当的词填空)

7 . Every animal sleeps, but the reason for this has remained foggy.When lab rats are not allowed to sleep, they die ________ a month.（用适当的词填空）

8 . Cleaner air has been most noticeable. For example, ________ April 3, people living in Jalandhar, a city in the north, woke up to a sight: snow­covered Himalayan mountains more than 160 kilometers away. (用适当的词填空)

9 . ________ quite recently, most mothers in Britain did not take paid work outside the home. (用适当的词填空)

10 . One cup of coffee ________ the late afternoon or evening will cause them to stay awake almost all night. (用适当的词填空)