单项选择题

I ______ the train but I overslept that morning.

A. could catch
B. might catch
C. must have caught
D. could have caught

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单项选择题

Forests occupy ______ of Singapore’s land are

A．13%-42%B.95%C.0.25%D.50%

单项选择题

By quoting an African proverb, the author does NOT imply that people should（）

A. spend more time with their family members
B. make more friends
G. unite with all those who are of the same religion
D. leave their families and friends alone.