单项选择题
Some people are（）to use proverbs in their everyday conversation because they see them as vehicles of too much used wisdom.
A.responsible B.reluctant C.relevant D.remarkable
单项选择题 The body needs fat to keep it （）the cold during the long winter months.
单项选择题 There are several ways（）we can cross the river without the help of local villagers.
单项选择题 You must hurry，（） you‘ll be late for class.
