--_______, we are going to play tennis on Saturday.
--But we have to first finish our task within the time ________.
| A．If weather permits; allowing | B．If weather permitted; allowed |
| C．Weather permitting; allowing | D．Weather permitting; allowed |
— May I tell this to my close friend?
— No, you___________. Never let anybody else know about it.
| A．needn't | B．shouldn't | C．mustn't | D．can't |
By working slowly but surely towards your goal, you'll___________succeed.
A. eventually B. accidentally C. occasionally D purposely
Thinking that her daughter was doing homework, the mother left the room, ___________.
| A．quickly and gentle | B．quick and gentle | C．quickly and gently | D．quick and gently |
When you retell the story, don't___________any important details.
| A．bring out | B．let out | C．leave out | D．make out |
___________World Expo is regarded as the Olympic Games of the economy, science and technology, ___________expert said.
| A．A; an | B．The; an | C．The; a | D．A; the |