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．be have caused |
One of my classmates accidentally ____ he had cheated in the last examination, or he wouldn’t have got so high a mark.
| A．pointed out | B．let out | C．took out | D．tried out |
—I’ll come to see your performance at 9:00 tomorrow evening.
—I’m sorry, but by then my performance ____ and I ____ reporters in the meeting room.
| A．will have ended; will be meeting |
| B．will end; will meet |
| C．will be ended; am going to meet |
| D．is to end; will meet |
The professor was ________ to give us a lecture this afternoon, but it has been cancelled because of the delayed flight.
| A．demanded | B．hoped | C．scheduled | D．arranged |
It was announced that only when the terrible disease was under control _______ to return to their homes.
| A．the residents would decide |
| B．would the residents decide |
| C．would the residents be decided |
| D．the residents would be decided |
—Some Chinese students find it difficult to understand native speakers when in London．
—Exactly, they've learned a lot about grammar and known many words.
| A．if only | B．now that | C．even if | D．as if |