76. The word"fumbling" (line 2) can be replaced by
1. grabbing quickly
2. looking carefully
3. searching clumsily
4. checking roughly
77. "The assistant does nothing to help" (ines 2-3) means that the assistant
1.does not give advice to customers 2.refuses to make change for customers
3.just sits and looks at customers hopelessly
4.does not help customers pack their groceries
78.From the phrase"the queue that's growing" (line 3), we learn that
1.a line of people are on a waiting list 2.a queue of shoppers keep on waiting
3.more and more shoppers are waiting in the fine
4.rows of people are waiting one behind the other