13. The foreman(工头) beat him _____ , and the other workers were very angry with him.
| A．red-blooded | B．black and white | C．red-handed | D．black and blue |
Why not try your luck downtown, Bob? That’s ______ the best jobs are.
| A．what | B．where | C．when | D．why |
You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.
| A．that; what | B．what; / | C．which; that | D．/; that |
Could I speak to__________ is in charge of International Sales ,please?
| A．anyone | B．someone | C．whoever | D．nomatter who |
The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
______ he referred to in his article was unknown to the general reader.
| A．That | B．What | C．Whether | D．Where |