28. ____ in the regulation that you should not tell other people the password of your email account.

18. It’s no good ____. You just have to put up with all these.

3.

45. Which of the following statements is WRONG according to the passage?

(  )13. Jane’s father has tidied the whole garden.

7.

40. From the last paragraph we learn that the investments by Linkup. org come from ____.

66. E-commerce has brought us a lot of convenience. For example, it enables us to book a flight ticket to London at home. Paying bills, shopping, selling can be done online. With online payment you do not need to stand in a long queue as payment is made with just the click of a mouse. Then, you can list the websites used in a number of e-commerce websites that index business. Access to news, real-time stock data, the latest fashion, etc. is available to anyone with an Internet connection. Never before has a person had so many options at such a speed.

21. You’d better not disturb me, I ____ letters all the morning and have written six so far.

4.

43. What is the weakness of the 3D printer mentioned in the passage?

( )54. Companies are hiring more foreign employees because they have difficulty finding qualified personnel at home.