She could speak both English and French, but _________ is hard to believe.
| A．she | B．this | C．that | D．which |
On the chairs , who had come to Dalian looking for jobs.
| A．three young men sat | B．sat three young men |
| C．did three young men sit | D．three young men sitting |
——Did you know any French before you arrived in Washington?
——Never ____ it, actually.
| A．had I learned | B．have I learned |
| C．I have learned | D．I had learned |
_______ such a good chance, he planned to learn more.
| A．Given | B．Being given | C．Having given | D．Giving |
by a greater demand for vegetables,farmers have built more green houses.
| A． | Driven | B． | Being driven |
| C． | To drive | D． | Having driven |
The open-air celebration has been put offthe bad weather.
| A． | in case of | B． | in spite of |
| C． | instead of | D． | because of |