The study of the rules whereby words or other elements of sentence structure are combined to form grammatical sentences is ______.

单项选择题Which of the following is NOT an approach for English language to enrich its vocabulary in the past several centuries

单项选择题Words like Xerox and Kodak are formed by ______.

单项选择题This passage is most probably authored by ______.

单项选择题According to the passage, consumer confidence is most affected by ______.

单项选择题According to the passage, which of the following statements is NOT true