____ the temperature falling so rapidly, we couldn't go on with the experience.
| A．Since | B．With | C．As | D．For |
If you ______ succeed, you will have to work hard.
| A．are about to | B．are going to | C．will | D．are to |
The judge thought that the evidence was not ________ to the case.
| A．similar | B．accessible | C．available | D．relevant |
He has got used to the surroundings and now he is getting on well with his classmates. __________, he has _________ the life in high school.
| A．At all; adjusted to | B．All in all; adapted to |
| C．After all; fitted | D．In al; been suitable for; |
In 1939, Hitler ______ war against Poland, which started the Second World War.
| A．announced | B．acknowledged | C．declared | D．stated |
He is more than happy to keep you ____ company, which is just out of _____ question.
| A．a; / | B．a; the | C．the; the | D．/; / |