Mr. Mao, who as a construction worker for over 8 years, is now a distinguished lawyer in this country.
| A．has worked | B．had worked | C．worked | D．has been working |
—Why do you eat so little? Mind your health.
—Oh, please don't be __________ about me. I'm just __________.
| A．worry ； on diet |
| B．anxious ； dieting |
| C．worried ； on diet |
| D．anxious ； diet |
Can you name some illnesses __________ with smoking?
| A．connects |
| B．is connected |
| C．connected |
| D．connection |
We noticed a cat __________ towards the big tree and disappear last night.
| A．to head |
| B．head |
| C．heading |
| D．headed |
In the second type, the shark pushes you with its nose to find out if you are fit __________, and then bites you if it thinks you are.
| A．to eat |
| B．to be eaten |
| C．for eating |
| D．for being eaten |
When you go to Hangzhou for travelling, you'd better take an umbrella because it rains __________ there.
| A．frequently |
| B．rarely |
| C．seldom |
| D．never |