It’s very dangerous to be ____ to the SARS virus without any protection.
A disclosed B uncover C affected D exposed
All of us found _____ necessary to learn a foreign language.
| A．this | B．that | C．it | D．what |
I used to _____ bed at nine. Now I am used to ____ bed at ten.
| A．go, going | B．go to, going to | C．go to, go to | D．going to, going to |
The life of Milu ____ at present.
| A．is been studied | B．is being studied | C．was being studied | D．have been studied |
_________ is known to all, he is good at Eng
lish.
| A．Which | B．As | C．It | D．What |
I was just about to go out last night ______ the telephone rang.
| A．while | B．when | C．as | D．before |