More and more people choose to shop in a supermarket as it offers a great _______ of goods.
| A．variety | B．mixture | C．extension | D．combination |
They must have gotten to the top of the mountain by now. They_____ before the sun rose.
| A．settled down | B．set out |
C．took off | D．turned up |
—Lucy, go do the washing please.—_______ I just did it yesterday.
| A．It’s your turn. | B．It’s up to you. |
C．So what? | D．With pleasure. |
He is very_____; it is impossible to talk him into doing anything he doesn’t want to.
| A．stubborn | B．curious |
C．skeptical | D．gracious |
It was only then ______ I began to have doubts about whether my story had ever been told.
| A．when | B．Since |
C．that | D．yet |
The secretary worked late into the night, ______ a long speech for the president.
| A．to prepare | B．prepared |
C．preparing | D．to be prepared |