The young men walked ______ the forest and came to a big river at last.
| A．on | B．over | C．through | D．across |
---Why are you standing there, Maggie?
---I can’t see the blackboard clearly. Two tall boys are sitting _______ me.
| A．behind | B．in front of | C．beside | D．next to |
Einstein, the famous scientist, was born ______ March, 1897.
| A．at | B．on | C．in | D．to |
Mr. Lin gave the textbooks to all the students ______ the ones who had already taken them.
| A．except | B．including | C．among | D．with |
It’s rather cold in most of South China ____ in spring.
| A．on time | B．at a time | C．at times | D．all the time |