．We need to take action instead of waiting here for problems___________.
| A．to solve | B．to be solved | C．solved | D．being solved |
Operation rooms should be kept free ______ bacteria of any kind.
| A．with | B．for | C．from | D．to |
The League Secretary and monitor ______giving a speech while the rest of the class ________ listening attentively.
| A．were, were | B．was, was | C．were, was | D．was, were |
Mr. Wang is a man of _________ and we have got much _________ from him about how to make a living.
| A．experience; experiences | B．an experience; an experience |
| C．experiences; experience | D．experiences; experiences |
You can take ____ you like here.
| A．which | B．no matter what |
| C．whatever | D．anything of which |
It is said that his carelessness ____ the terrible accident.
| A．resulted from | B．resulted in | C．turned out | D．worked out |