A．to move the tables B．to carry the tables away C．to gain courage D．to gain an advantage after having been at a disadvantage
单项选择题Who usually looks after the children in a both motherless and fatherless family in America（）
A．The children’s aunt. B．The children’s nursery or school. C．The children’s grandmother. D．The children’s neighbour .
单项选择题21（）
A．fortunately B．lastly C．lately D．finally
