The World War II made ______ impossible for Einstein to go on with his research.
| A．him | B．this | C．it | D．that |
It was reported that an agreement ____ between the two companies and that they would carry out a project together.
| A．reached | B．had been reached |
| C．was reached | D．has been reached |
Our English teacher , having explained to us how to design a project, allowed us a whole week’s preparation and then ______the class.
| A．to dismiss | B．dismissed |
| C．dismissing | D．having dismissed |
Mr White _______his racing bicycle by himself yesterday, but I’m not sure whether it is ready
| A．repaired | B．had repaired |
| C．was repairing | D．would repair |
It is _____ he often fails in exams____ makes his parents worried about him.
| A．because；that | B．that；that |
| C．不填；that | D．what；that |
----I have a piece of good news for you. You’ve been elected as monitor in our class.
---- ______ That’s great!
| A．Congratulations! | B．Good idea! |
| C．Oh, really? | D．What about you? |