If a substance has a higher density, ____ 2, 000kg/ m³, it will not float on water.
| A．say | B．tell | C．speak | D．call |
---Do you think I should fly directly to Australia or break my journey in Hong Kong?
---__________ spend a few days in Hong Kong.
| A．You would rather | B．It would be better to |
| C．I’d prefer to | D．It would better |
She ________ her clothes down on the ground.
| A．lied | B．lay |
| C．laid | D．lain |
I lived with my brother this winter and didn’t have to pay rent. So I ________ save most of my salary.
| A．could | B．would |
| C．was able to | D．should |
---I have finished my homework.
---___________.Let’s go to play tennis.
| A．So have I | B．I have so |
| C．So did I | D．So you do |
—Your mother becomes more and more forgetful.
—Yes. She searched for her cellphone for a whole day last Sunday but it ______ in her coat pocket the next day.
| A．turned out | B．turned on |
| C．turned over | D．turned up |