任意两个结点之间的距离都不会大于2的是哪一种网络拓扑?
A. 总线
B. 网状
C. 树形
D. 星形
These trousers are dirty and wet --- I'll change into my _____.
A. another
B. trousers
C. others
D. other
Her lecture was hard to follow because she kept jumping from one subject to ________.
A. other
B. the other
C. the others
D. another
Don't drive so fast ____ you'll have an accident.
A. and
B. as
C. that
D. or