we completely differ from each other in character，we are still great friends .
| A．Even though | B．In case | C．Shortly after | D．Long before |
The flu is believed ______ by viruses that like to reproduce in the cells inside the human nose and throat.
| A．to be caused | B．to have caused | C．being caused | D．causing |
Whether you believe it or not, it is ______that causes your illness.
| A．because of your overweight | B．you are so overweight |
| C．because you are overweight | D．your being overweight |
If only he _____ quietly as the doctor instructed, he would not suffer so much now.
| A．would lie | B．lay | C．had lain | D．should lie |
When disaster strikes, you _____ find yourself without water, gas and electricity.
| A．will | B．must | C．should | D．might |
—Sorry, I can’t return your book today because I am only halfway through it.
— ______. I have plenty of other books to read.
A. Take it easy B Take your time
C. No wonder D. No doubt