Scientists study ________ human brains work to make computers. (2012·四川，17)
| A．when | B．how |
| C．that | D．whether |
29.—Is there any particular soup you would like to have?
—_________you select is all right with me.
| A．Whatever | B．Anyone | C．No matter what | D．Whichever |
28. In our childhood, we were often _______ by Grandma to pay attention to our table manners.
| A．demanded | B．allowed | C．reminded | D．Hoped |
27. ——Why did he stay at home?
——It was only _______ it was raining _______ he stayed at home.
| A．since; so | B．because; that | C．for; that | D．as; what |
26.—Were the audience allowed to join in the play?
—Yes, the actors_______to satisfy the audience were successful.
| A．who it was the duty | B．of which the duty was |
| C．whose duty it was | D．whose was the duty |
25.—I was wondering whether perhaps you could remember the name of the place.
—I’m afraid that_________me for the moment.
| A．reminds | B．puzzles | C．disturbs | D．Escapes |