单项选择题
A.Philadelphia B.Boston C.New York
Among the five Great Lakes, only （）is wholly within the...
单项选择题Among the five Great Lakes, only （）is wholly within the United States.
A.Erie B.Superior C.Michigan
The general election in America is held every （）years.A...
单项选择题The general election in America is held every （）years.
A.5 B.4 C.6 D.3
The colonial life can be described as the following exc...
单项选择题The colonial life can be described as the following except （）
A.simple B.easy C.rough D.hard
