【单选题】如果d是被除数和除数的一个最大公因数也是()的一个最大公因数。
【单选题】Which of the following statements is true?
A.
None of the following statements is true.
B.
Silicon Valley has great deposits of silicon.
C.
London and Zurich have vast amounts of arable land.
D.
Western Europe has always depended on services.
【单选题】They stay in touch with each other by sending emails.
【简答题】除了打电话外,我们还可以使用电子邮件保持联系。(apart from) To stay in touch, we can write emails apart from ______________.
【单选题】如果d是被除数和除数的一个最大公因数也是哪两个数的一个最大公因数?
【判断题】Well, please stay in touch and let me know how the campaign goes 请保持联络,让我了解广告活动的运行情况。