2 . 天空中突然划过一道闪电，他们吃了一惊。
They ________ ________ ________ a sudden flash in the sky.

4 . 突然他脑子里闪过一个念头。
All of a sudden, an idea ________ ________his mind.

9 . _________(他在奥运会上获得金牌的那天),   all his family and friends were proud of him. (根据汉语提示完成句子)

10 . 选词并以短语的正确形式填空，每个短语仅用一次。其中两个短语为多余选项。

regard as        carry on        go wrong       contribute to    work on        burst into tears          knock over       go through do sb good          turn down       pay off        give away

1. When things ________ , all of us naturally feel disappointed and frustrated.
2. Tom ________ the invitation to the party last weekend because he was too busy.
3. “Have you sorted out a babysitter yet?” “No, but I ________ it. ”
4. What’s considered typical or proper social conduct in one country may ________ odd, improper or even rude in the other.
5. After the pandemic of COVID-19, the country________ a period of economic instability right now, making many workers jobless and homeless.
6. Being generous literally means willingness in________ one’s own money, time, talent, etc.
7. After the sad event, he put it behind him and________ leading his simple life.
8. He________, begging her to forgive him and swearing to pay back everything he had stolen.
9. A little stress can ________ -it pushes us to compete and innovate.
10. I firmly believe that one day in the future all my hard work________ and I will finally pass the exam.