Long ago, man used to ______ with his hands but now man is used to ______ with machines, and sometimes a robot is used to ___ instead of people.
| A．work, working, work | B．work, working, working |
| C．working, work, working | D．working, work, work |
A recent study suggests that teenagers who switch off the TV and sit down to family meals are less _______ to suffer eating disorders.
| A．likely | B．possible | C．probable | D．sure |
Tu Youyou is the first Chinese _________ the Nobel Prize in Medicine for her work in developing effective drugs against parasitic disease.
| A．winning | B．won | C．wins | D．to win |
When______ to danger and conflict, men tend to increase blood pressure, ______nervous or anxious.
| A．exposed; felt | B．exposing; felt |
| C．exposed; feeling | D．exposing; feeling |
Tom nearly missed the flight ______doing too much shopping.
| A．on top of | B．as a result of |
| C．because | D．in need of |
The plan once I objected to________ out fine.
| A．working | B．work | C．had worked | D．worked |