1. (2020高一下·朝阳期末) 阅读下面句子，根据句子内容填空。从方框中选择恰当词组并用词组的正确形式填空。

refer to   work out   fight for   take part in   jump to one's feet   ahead of   pick out   be stuck in     volunteer to    increase the awareness of

1. （1） I believe that you can  the problem by yourself.
3. （2） Last week, we  a talent show, which proved to be very interesting and rewarding.
5. （3） With a joint effort, we finished the task  our planned schedule.
7. （4） What we learn today will help us to realize our dreams, so let's  our goals.
9. （5） After the party, Jack  clean up the house for Helen, which made her pleased.
11. （6） We  a traffic jam on our way to the airport and we nearly missed the flight.
13. （7） When the little boy sang in a very high but clear voice on the stage, the audience , clapping and cheering.
15. （8） As people gradually  environmental protection, it has become one of the most concerned issues in the 21st century.
17. （9） Entering the room, the little girl immediately  her father at the other side of the room.
19. （10） Peter knew the topic so well that he gave the speech without  his notes.