The conference had been held to discuss the effects of tourism the wildlife in the area.
| A．in | B．on | C．at | D．with |
If I with her last summer, I with her now.
| A．worked; am getting on very well |
| B．had worked; would get on very well |
| C．had worked; would have got on very well |
| D．had worked; will get on very well |
--- Where have you been?
--- I got caught in traffic; I could have been here a little earlier.
| A．otherwise |
| B．however |
| C．though |
| D．anyway |
If it yesterday, we could play football on the sports ground now.
| A．didn’t snow |
| B．hasn’t snowed |
| C．hadn’t snowed |
| D．weren’t snowing |
--- Would you have called her up had it been possible?
--- Yes, but I busy doing my homework
| A．was |
| B．were |
| C．had been |
| D．would be |
Jane would never have gone to the party that Mary would come to see her.
| A．has she known |
| B．had she known |
| C．if she know |
| D．if she has known |