______was most important to her, she told me, was her family.
| A．It | B．What | C．This | D．As |
Computers and mobile phones, though they are indeed making our life________ and more________, have reduced the need for face-to-face communications.
| A．easily; efficient | B．easier; efficient |
| C．easy; efficiently | D．easily; efficiently |
The news shocked the public, ________to great concern about students’ safety at school.
| A．having led | B．led | C．leading | D．to lead |
.Everything comes with________ price; there is no such________ thing as a free lunch in the world.
| A．a; a | B．the;/ | C．the; | D．a;/ |
Teachers recommend parents________ their children under 12 to ride bicycles to school for safety.
| A．not allow | B．do not allow | C．mustn’t allow | D．couldn’t allow |
For many years, people________ electric cars. However, making them has been more difficult than predicted.
| A．dream of | B．had dreamed of | C．dreamed of | D．have dreamed of |