___________ we can have clean drinking water lies in ___________ effective measures will be taken by the government about water pollution.
| A．Whether；that | B．If；that |
| C．Whether；what | D．If；what |
Professor James will give us a lecture on the Western culture, but when and where ____ yet.
| A．hasn’t been decided | B．haven’t decided |
| C．isn’t being decided | D．aren’t decided |
--- Do you want anything else for your birthday?
--- Nothing else. I’m very ______ with what you’ve bought for me.
| A．satisfying | B．honest | C．content | D．disappointed |
To improve the quality of our products, we asked anyone ____________ had used the products for suggestions.
| A．whoever | B．who | C．which | D．whichever |
The president spoke at the business meeting for nearly an hour without _____ his notes.
| A．looking down | B．bringing up | C．trying on | D．referring to |
If he ______ my advice, he wouldn’t have lost his job.
| A．followed | B．should follow | C．had followed | D．would follow |