3.In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.
A、useless
B、endless
C、unless
D、hopeless
Which of the following can turn customers’ attention into real interest?
A、Listing the product's main features.
B、Describing the benefits of a product
C、Selling a product at a great discount.
D、Offering free samples through a link
The sweater she received in the end differed ____ the one she had seen online.