6.听下面一段独白,回答第10至第12三个小题. 10.When will Mr.Brown make a speech? A.On March 21st. B.On March 20th. C.On March 12th. 11.What will Mr.Brown make a speech about? A.Learning Chinese. B.English learning strategies. C.Foreign customs. 12.What will they do after the speech? A.Do some activities. B.Ask Mr.Brown questions. C.Go to have supper.