问题详情

一位男老师正在教一位学生打篮球，话题中谈到学生妈妈。
A:What is your mother"s (46) (47) ？
B: (48) favorite (49)is playing basketball．
A:Why (50) she like playing basketball？
B:Because (51) very interesting．
A:Who is (52) basketball (53) ？
B: (54) basketball teacher (55) Mr Smith．
46．______