________ you have seen things like these before doesn't matter.
|
A．If |
B．Whether |
C．What |
D．When |
You will easily know ________ video recorders are the same.
|
A．what those |
B．that of those |
C．that all of |
D．which of those |
Can you point out ________ two radios are the best
|
A．which |
B．what |
C．that |
D．whether |
We should think carefully about ________ Mr. Needham said at the meeting.
|
A．that |
B．what |
C．which |
D．X |
Jack was soon told ________ he did was not necessary.
|
A．why |
B．that |
C．how |
D．why what |
The energy is ________ makes the cells able to do their work.
|
A．that |
B．which |
C．what |
D．such |
