If you feel tired and sick of fat foods, that is ___________ you have to go to the hospital for a medical examination．
| A．why | B．what | C．when | D．whether |
10. ____ ! There is a train coming.
| A．Look out | B．Look around | C．Look forward | D．Look on |
9. There is only the tree and the rock. I can see nothing _____.
| A．among | B．between | C．in | D．Out |
8. He said he would come, he didn't ______.
| A．though | B．although | C．yet | D．Too |
7. Peter can't speak Chinese and can't write it, _____. So Chinese is Greek to him.
| A．too | B．also | C．neither | D．Either |
6. --- Do you know your results?
--- No, I don’t know them ____ .
| A．already | B．since | C．before | D．Yet |