My parents live in a small village. They always keep candles in the house ____ there is a power cut.
| A．if | B．unless | C．in case | D．so that |
After _______ absence of 10 years from his hometown, Mr. Li doesn't know _______ great changes have taken place there.
| A．an;/ | B．an; the | C．the; a | D．/;the |
As a rough estimate, Nigeria is _______ Great Britain.
| A．three times the size as | B．the size three times of |
| C．three times as the size of | D．three times the size of |
_______from the top, the 2008 Olympic stadium in Beijing looks just like a bird's nest made of tree branches.
| A．To see | B．See | C．Seeing | D．Seen |
After ten years, she changed a lot and looked different from _______ she used to be.
| A．that | B．whom | C．what | D．who |
—The price is fine with me. How would you like _______ paid?
—Well. It's up to you.
| A．one | B．this | C．that | D．it |