It was hard for him to fit in a new class, in which ______ he was familiar with.
| A．each | B．neither | C．both | D．none |
At first he refused to admit his guilt but when he was shown the evidence he ______ and confessed (坦白).
| A．broke down | B．lay down | C．got down | D．put down |
After a heated discussion at the meeting, a new plan came ______ being, which would have a great effect ______ the culture life of the people.
| A．into; for | B．to; to | C．from; at | D．into; on |
It is usually warm in my hometown in March, but it ______ be rather cold sometimes.
| A．must | B．can | C．should | D．would |
The atmosphere of the earth ______ us from the strong sun light.
| A．prevents | B．keeps | C．stops | D．protects |
Finally they arrived at a place, ______ sold cigarettes and other small articles.
| A．which | B．where | C．in which | D．what |