听力题目:
11.(A). Martha is seven years old.
(B). Martha has an older sister.
(C). Martha has two older daughters.
(D). Martha is twice as old as her daughter.
12.(A). I have rarely seen such strange clowns.
(B). This house has seldom been so crowded.
(C). I don’t feel at home in crowds.
(D). Such a big crowd should be housed somewhere else.