that we can’t get the necessary equipment , we will have to give up the experiment.
37. I tried all I could do ______ the topic at the meeting, but failed.
36. I felt quite ______ when I made my first speech in front of so many people.
35. Global oil prices ______ sharply in the past two years.
34. It was _______ back home after the experiment.
33. My father made a promise ______ I got a good mark he would buy me a present.