"Double click" means you click twice on the button of the _______ to start the program.
| A．screen | B．mouse | C．keyboard | D．printer |
—Have you used the new computer ______? —Yes， I have. I have ______ used it.
| A．just， just | B．yet， just |
| C．just， yet | D．yet， yet |
—Oh， dear! What ______ so terrible?
—The food on the table goes bad. I’ll throw it away in a minute.
| A．sounds | B．tastes |
| C．smells | D．looks |
______ hero in this fairy story is _____ ugly duck.
A；The； the B. The；an C. The；a
The problem is too difficult. ____ of us can work it out.
A. A fewB. Little C. Few
____ will you finish the work? In two days.
How manyB. How oftenC. How soon