The country has already sent up three unmanned spacecrafts， the most recent at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
____________ great help, I could get rid of all the difficulty and succeeded.
| A．Offered | B．Having offered |
| C．Being supplied | D．Having supplied |
The reason__________ their failure you know is they didn't get fully prepared for the experiment.
| A．why.., that | B．that.., why |
| C．for.., that | D．why.., because |
--Why has he been staying at home these days?
--He ___________ since a month ago.
| A．has been out of work | B．was out of work |
| C．has lost his work | D．had left from his work |
The president of the country was _____well of when he was in power.
| A．praised | B．fond | C．appreciated | D．thought |
They suggested not only to the party but also give a performance.
| A．did we go | B．should we go | C．we should go | D．thought |