Although this _____sound like a simple task, great care is needed.
| A．must | B．may | C．shall | D．should |
（2012福建卷）We promise attends the party a chance to have a photo taken with the movie star.
| A．who | B．whom | C．whoever | D．whomever |
It doesn’t matter ________ you pay by cash or credit card in this store.
| A．how | B．whether |
| C．what | D．why |
（2012全国新课程）It is by no means clear the president can do to end the strike.
| A．how | B．which |
| C．that | D．what |
（2012安徽卷）The limits of a person’s intelligence,generally speaking, are fixed at birth, but he reaches these limits will depend on his environment.
| A．where | B．whether | C． that | D． why |
（2012江苏卷）The notice came around two in the afternoon the meeting would be postponed.
| A．when | B．that | C．whether | D．how |