39. He will stop showing off , if no notice______ of him.
| A．is taken | B．will be taken | C．takes | D．has taken |
Was _____ that I saw last night at the concert？
| A．it you | B．not you |
| C．you | D．that you |
It is _____ my father worked _____ I work now.
| A．where, that | B．where, when |
| C．that, where | D．that, that |
It is the protection for the trees _______ really matters, rather than how many trees are planted.
| A．what | B．that |
| C．不填 | D．which |
It is _______ he often fails in exams ______ makes his parents worried about him.
| A．what； that | B．that； what |
| C．that； that | D．/ ； that |
Who are making so much noise in the garden？
—_______ the children.
| A．It is | B．They are |
| C．That is | D．There are |