Having checked the doors were closed, and ___ all the lights were off, the boy opened the door to his bedroom.
| A．why | B．that | C．when | D．ours1 |
Ninety-six point five percent of the water on the earth ______ sea water.
| A．are | B．is | C．was | D．were |
His mother _______his son’s being admitted into college.
| A．pride | B．takes a pride of | C．is pride of | D．takes pride in |
---I wonder if I could possibly use your car for tonight?
---_______. I’m not using it anyhow.
| A．Sure, go ahead | B．I don’t know | C．Yes, indeed | D．I don’t care. |
The total cost of their trip to Canada_____$ 8,000.
| A．added up to | B．added up | C．added to | D．was added up to |
Yang Liwei is a hero, but a _________.
| A．common | B．ordinary | C．usual | D．used |