He was born ____ a very cold night _____ December.
| A．in; in | B．In; of | C．on; in | D．on; of |
He drove slowly on the way home until he reached the highway, _____ the speed limit was 60 miles per hour.
| A．because | B．which | C．where | D．that |
There is hardly an environment on earth _____ some species of animals or other have not adapted successfully.
| A．in which | B．on which | C．to which | D．for which |
I like this jacket better than that one, but it costs almost three times______.
| A．as much | B．as many | C．so much | D．so many |
It was hard for him to learn English in a family, in which _____ of the parents spoke the language.
| A．none | B．neither | C．both | D．each |
—He doesn’t have_____furniture in his room.
—Just an old desk.
| A．any | B．many | C．some | D．much |