【单选题】Read the passage about tips for shopping online (part 2) and choose the correct answer.Tip 2: When you start shopping, know what you’re looking for. This way it will be easier to ignore the other thin...
【单选题】Before you begin this course, you might want to get an idea of how much you already know and how much you need to learn. If so, take the following pretest. Take as much time as you need for the pretes...