We’ll buy a11 the products in your storehouse， of course the price is reasonabte．
A．provided B．unless C．though D·until
How long do you think ___________ the Microsoft brings out a new product?
| A．it will be before | B．will it be until |
| C．will it be when | D．it will be that |
We all thought ______ a question ________we could raise enough money for the project.
| A．that; that | B．it; whether | C．it; that | D．that; whether |
—He got his first book published. It turned out to be a bestseller.
—When was _____?
—_____ was in 2000 when he was still in college.
| A．that; This | B．this; It | C．it; This | D．that; It |
He didn’t make ________ clear when and where the meeting would be held. .
| A．this | B．that | C．it | D．these |
—There is still a copy of the book in the library. Wall you go and bottow ?
—No, I’d rather buy in the bookstore.
| A．it; one | B．one; one | C．one; it | D．it; it |