--Is that Mr. Green?
---No, Mr. Green is an ___________ man. But this man is only about _________.
| A．80-year-old; 18 years old | B．80-years-old;18 years old |
| C．80-year-old;18-year-old | D．80 years old;18-year-old |
Checking your answers before handing in your paper can help you __________ mistakes.
| A．make | B．provide | C．avoid | D．advise |
It’s kind __________ Yao Beina to donate her corneas (眼角膜) _________ three people in need.
| A．of; to | B．for; to | C．of; for | D．for; for |
Many people do not realize the importance of health __________ they have fallen ill.
| A．since | B．until | C．while | D．After |
Robin broke his left leg in the basketball match last week, since then he __________ in bed.
| A．lay | B．has lain | C．laid | D．has laid |
— We must act now because time is __________.
— Yes. Let’s start.
| A．cutting down | B．running out |
| C．pushing in | D．handing out |