A.He is puzzled by his grades. B.He is unclear about his lectures, C.He is confused by his presentation. D.He does not know whose course to choose next term.
【简答题】Directions: Listen to the conversationagain and answer the following questions. u05p12.mp3: (1)How much does Alice quote for the A-Series products? Alice quotes $___1____ per unit for the A-Series pro...