1 . 很多国内和国外的企业在疫情期间遭受重创，举步维艰努力维持生计。(struggle) (汉译英)

2 . ________a cold winter morning, I met her in the street.

A．In

B．On

C．At

D．For

3 . Many adults report that even when out in nature, they ________ not take the time to admire a spectacular mountain ________ pulling out their smartphone to take a picture.

A．may … before	B．may … after
C．should … before	D．should … after

4 . 我们计划坐火车，在十月假期开始前一天离开。（现在进行时表将来）
We ________ ________ the train, ________ the day before the October holiday ________.

5 . ---Has the train arrived?
---No, it all will be late ________ half an hour.

A．at

B．for

C．in

D．by

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

7 . 在德国做交流生期间，我遇到了一位工程学教授，对古希腊哲学家的思想非常了解。(who) （汉译英）