These days, it seems that we rely on the Internet often, and we couldn’t possibly live _____it.
| A．on | B．without | C．with | D．in |
Keeping a diary is ________ good habit，by which you'll make ________ great progress in writing.
| A．a；a | B．a；/ | C．the；a | D．the；/ |
I don't know who invented ________ iphone，but I think it is ________ useful invention.
| A．the；a | B．the；the | C．an；the | D．an；a |
—Which of the twin brothers is easier to get on with?
—________ younger one.He is ________ most humorous man.
| A．A；a | B．A；the | C．The；a | D．The；/ |
It is said that ________ wool produced in Australia is of ________ high quality.
| A．/；/ | B．the；/ | C．the；a | D．the；the |
— How did you do in your essay?
—I got ________ okay grade，but Mr.Jones gave Sarah top marks.She's ________ teacher's pet，you know.
| A．/；a | B．an；/ | C．/；the | D．an；a |