青书学堂: (6). (填空题) He __________ his experiment over and over, working till midnight.
举一反三
- Peter felt very guilty for not being able to reunite with his family on Christmas Eve, so be decided to ______.He wanted to work till midnight. A: work it over B: work it out C: work it off D: work it up
- He could not get over feelings of __________ over his drug addiction in his youth.
- We are certain that he will _____ his illness. A: come over B: go over C: get over D: give over
- He doesn’t stop working ______ he finishes his work. A: [A] as B: that C: till
- It was __________ that he was run over by his own car.