Many people believe we are heading for environmental disaster _________ we basically change the way we live.
| A．but | B．although |
| C．unless | D．Once |
There was no doubt ____ it was in the supermarket _____ I lost my wallet yesterday.
| A．that, that | B．whether, whether | C．that, whether | D．whether, that |
________a reply from my American friend Bill, I decided to send another email to him.
| A．Not having received | B．Not being received |
| C．Not receiving | D．Not to receive. |
As the clock struck nine, players ______their positions and the match began.
| A．stood up | B．took up | C．made up | D．set up |
There ______ quantities of apples in the basket and there was ______ milk in the bucket.
| A．were; a number of | B．was; quantities of |
| C．were; a quantity of | D．was; a good many |
You were rude to your sister, _____you should make an apology to her.
| A．whom | B．for which | C．for whom | D．which |