Knowing the result of the exam, he went home and lay in bed, ______.
A upset B 
was upset C felt upset D and upset
Never in my wildest dreams ________ these people are living in such poor conditions.
| A．I could imagine | B．could I imagine |
| C．I couldn’t imagine | D．couldn’t  I imagine |
My suggestion is that you should ______ yourself to the new urban living style.
| A．make | B．obey | C．adapt | D．assist |
______ I accept that he is not perfect, I do actually like the person.
| A．While | B．Since | C．Before | D．Unless |
This is a very interesting book. I’ll buy it,__.
| A．how much may it cost | B．no matter how it may cost |
| C．however much it may cost | D．how may it cost |
The two biologists debated ____each other for years ______ the origin of species.
A. with; about B. about; for C. between; over C. to; for