－Mary, how did your Math test go?
－I had thought I _________, but in fact I came in the top 10 in my class.
| A．should have failed | B．couldn’t have failed |
| C．might have failed | D．shouldn’t have failed |
Choosing the right dictionary depends on ______ you want to use it for.
| A．what | B．why | C．how | D．Whether |
It is none of your business ___ ___ other people think about you. Believe yourself.
| A．how | B．what | C．which | D．when |
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 |