By the time he got up, I ______ for two hours in the factory.
| A．have worked | B．worked | C．was working | D．had been working |
_____ two English exams to worry about, I have to work really hard this month.
| A．Besides | B．With | C．As for | D．Because of |
_______ to the discovery of radium, Madame Curie plays an important role in modern
science.
| A．Devoting | B．Devoted |
| C．Being devoted | D．Having devoted |
The couple _________ last week, which surprised their friends and relatives greatly because they appeared that happy all the time.
| A．broke up | B．put up | C．turned up | D．made up |
---Tom hurt his left leg in the game this morning.
---Really? It would take at least two weeks ______ he could recover and return to school.
| A．when | B．that | C．since | D．before |
His father insisted on punishing him, but he insisted he had _______ to do with the matter.
| A．something | B．a lot | C．nothing | D．anything |