29. What does the term" au pair" in the text mean?
A. A mother raising her children on her own
B. A child learning a foreign language at home
C. A professor in language education of children
D. A young foreign woman taking care of children.
30. Li Drake has her children study Chinese because she wants them ______.
A. to live in China some day
B. to speak the language at home
C. to catch up wit other children
D. to learn about the Chinese culture
31. What can we infer from the text?
A. Learning Chinese is becoming popular In America,
B. Educated woman do better in looking after children
C. Chinese au pairs need to improve their English Skills.
D. Children can learn a foreign language well in six months.