Some women ________ a good salary in a job instead of staying home, but they decided not to work for the sake of the family.
| A．must make | B．should have made | C．would make | D．could have made |
When I try to find ______that prevent so many people from taking part in the program, it seems to me that there are two main causes.
| A．why it does | B．what it does | C．what it is | D．why it is |
— Will you go to the annual meeting to be held in Sweden from the 26-30th of August 2008?
— That depends on _______ I am invited.
| A．whether | B．if | C．whomever | D．why |
____is certain is ___prevention is more important than treatment .
| A．It;that | B．What;that | C．As;what | D．What;what |
Of one thing I am certain _____ hard work contributes to good results.
| A．as | B．what | C．which | D．that |
Being a good listener is a kind of quality and that’s ___ it takes to keep friendship.
| A．how | B．what | C．which | D．where |