The reason that his property was confiscated by the country, it （）, was that he was involved in a lot of fraudulent activities during the war.

单项选择题You’d better take the keys in case I （）out.

A. might be
B. be
C. am
D. will be

单项选择题America will never again have as a nation the spirit of adventure as it （）before the West was settled.

A. could
B. did
C. would
D. was