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 |
So loudly _____ that ____ hear her clearly.
| A．did she speak; could everyone | B．did she speak; everyone could |
| C．she spoke; could everyone | D．she spoke; everyone could |
Only when the meeting was over___ go back to meet his friend.
| A．he could | B．he was able to | C．was he able to | D．was able to he |
Only in this way ____ make progress in your English.
| A．you | B．can you | C．you be able to | D．will you able to |
She is not fond of cooking, ____ I.
| A．so am | B．nor am | C．neither | D．nor do |
—Have you ever seen anything like that before?
—No, _____ anything like that before.
| A．I never have seen | B．never I have seen | C．never have I seen | D．I have seen |