In the future, care for the environment will become very important as earth's natural resources _____.
| A．run out | B．use up |
| C．run out of | D．use out |
I do not usually celebrate my birthdays until I met him. _______, I do not like any big party because I’m not good at small talk.
| A．On the whole | B．On average | C．In addition | D．In other words |
No student likes ________ in the teacher’s face during the class.
| A．making fun of | B．being made fun of |
C．being made fun |
D．making fun |
—I’ m sorry that I have broken your glasses.
— ____________!
| A．Never mind | B．Not at all | C．You’re welcome | D．With pleasure |
______ is often the case, we have worked out the production plan.
| A．Which | B．When | C．What | D．AS |
The flu is believed _____by viruses that like to reproduce in the cells inside the human nose and throat.
| A．causing | B．being caused | C．to be caused | D．to have caused |