单项选择题
I began（）through the pages of a gardening catalogue.
A.thumbing B.videoing C.unscrewing D.retrieving
单项选择题 Many grandchildren form a close（）to their grandparents.
单项选择题 If the tiger had not had this disability it would have undoubtedly stayed in the jungle and hunted for food in the（）way.
单项选择题 The plan has set off（） controversy.
