He will stop showing off，if no notice of him．
| A．is taken | B．will be taken | C．taken | D．has taken |
21．---Shall I tell your best friends what happened to you yesterday?
—they ask you．
| A．Not if | B．Not unless | C．Not except | D．Not though |
At the sight of the _____ scene, he was almost _____ to death.
| A．frightening；frightened |
| B．frightened；frightened |
| C．frightening；frightening |
| D．frightened；frightening |
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.
| A．are; were | B．is; were | C．are; was | D．is; was |
Not until I came home last night ________ to bed.
| A．Mum did go | B．did Mum go | C．went Mum | D．Mum went |
It ____in this new hall ____ was just set up last month ________ we held an important meeting yesterday.
| A．is; which; that | B．was; which; what |
| C．is; that; which | D．was; which; that |