----Did Peter fix the computer himself?
-----He ________, because he doesn't know much about computers.
| A．has it fixed | B．had fixed it | C．had it fixed | D．fixed it |
Teenagers ______ their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |
The World War II made ______ impossible for Einstein to go on with his research.
| A．him | B．this | C．it | D．that |
It’s not ______ good idea to drive for four hours without ______ break.
| A．a; a | B．the; a | C．the; the | D．a; the |
—The government should think about the medical reform again and take measures to improve it.
—___________. The medical services and efficiency are not good at the moment.
| A．You’re confusing me | B．I cannot agree more |
| C．That’s all right | D．Go ahead, please |
The boys, ________ with this somewhat terrifying figure, had lost their tongues.
| A．to face | B．having faced | C．faced | D．facing |