With a lot of homework ，I can’t go to the cinema with you after school．
| A．done | B．doing | C．having done | D．to do |
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 |