1 . 阅读每个小题，从方框内选择正确的短语，将其适当形式填入空白处。

1. I _______________ a few words of Greek when I was there last year.
2. The idea that robots _____________ any labor tasks is broadly true in theory.
3. The boy who fell into the river wouldn’t have died if the young man ____________ .
4. Research is now being undertaken ____________ an explanation for the phenomenon.
5. Opportunities and success tend _____________ those people who are always prepared.
6. Please put these lecture notes in order and don't leave them______________ next time.
7. Many women of normal weight feel unable ___________the super-thin models in fancy clothes in various fashion magazines.
8. As I was listening to the radio, a song ____________ such fond memories of my childhood, when I was raised by my grandparents in the countryside.
9. We __________ to paint our new apartment quite early in the morning, in hope of finishing painting all rooms in one day. But we ended up finishing 2 at late night.
10. According to a press conference held in Beijing on Wednesday, Chinese scientists announced that they ________ in developing a Coronavirus vaccine, and that they would conduct animal trials to test the feasibility and safety of it at the end of May.