填空题 In 1974 President (　　) was impeached and he resigned his office before a trial could take place.

填空题 The (　　) determines the government and divides the power of the government into three branches.

填空题 The first ten amendments added to the constitution in 1791 was called the (　　) (　　) (　　).

填空题 The balance is always kept among the three branches of the power of the government and this is called the “System of (　　) and (　　)”.

填空题 There are (　　) voting members in the House of Representatives.

填空题 There are (　　) judges in the Supreme Court of America.

填空题 The official presidential residence is the (　　) (　　).

填空题 Only the (　　) (　　) has the right to interpret the constitution.

填空题 Each of the fifty states of US elects (　　) senators.