单项选择题
According to the passage, we cannot work all the time without()
A.taking part in sports activities B.watching sporting events on television C.listening to sporting events on the radio D.recreation
单项选择题 We learn from the first paragraph that()
单项选择题 The windmill, which has been used for hundreds of years to pump water and grind grains,()redesigned to pro duce electricity.
单项选择题 Mr. Wilson()from his carving and eyed Edna severely.