单项选择题A.Because they are too small to understand the rules.B.Because they are absent-minded.C.Because they don’t have much time for it.D.Because they arc not interested in it.
单项选择题A.Lower prices.B.More choices.C.More competition.D.More companies.
单项选择题A.It’s a market.B.It’s a recreation center.C.Ifs an algebra school.D.It’s the name of a part-time job.
单项选择题A.Botany is a very ancient learning.B.People in the Stone Age knew a lot about plants.C.People in the Stone Age knew little about plants.D.Pre-industrial societies have little insights about plants.
单项选择题A.One month,B.One month and a half.C.Two months.D.Two months and a hale