George has arrived, but I did not know he ______ until yesterday.
| A．comes | B．will come | C．is coming | D．was coming |
His first book ________ next month is based on a true story.
| A．published | B．to be published |
| C．to publish | D．being published |
In order to improve English，________.
| A．Jenny’s father bought her a lot of tapes |
| B．Jenny bought a lot of tapes for herself |
| C．a lot of tapes were bought by Jenny |
| D．a lot of tapes were bought by Jenny’s father |
The global warming is more and more serious，for which human beings ________.
| A．are blaming | B．are to blame |
| C．are going to blame | D．are to be blamed |
Taking this medicine，if________，will of course do good to his health.
| A．continued | B．to continue |
| C．continues | D．continuing |
________such a heavy loss，the businessman didn’t have the courage to go on.
| A．Having suffered | B．Suffering |
| C．To suffer | D．Suffered |