【简答题】There are some students in front of the lost and found box. The duty monitor Alan is asking some questions. Alan: Jim, is this your English book? Jim: No, it isn’t. Alan: Linda, is this your English b...
【简答题】Some British supermarket companies are asking their warehouse workers to wear small computers, calling 'electronic tags'. The 【M1】______ companies say that these tags will to help them to reduce costs...