It is generally believed that teaching is ___________it is a science.
| A． an art much as | B．much an art as | C．as an art much as | D．as much an art as |
If city noises ___ from increasing, people ___ shout to be heard even at diner.
| A．do not keep; will have to | B．are not kept; have |
| C．are not kept; will have to | D．do not keep; have to |
_____ his dream of going to college will come true is uncertain.
| A．That | B．Even if | C．If | D．Whether |
It never occurred to me _____ you could succeed in persuading him to change his mind.
| A．which | B．that | C．what | D．if |
Why do you keep this completely ____ umbrella, which is broken?
| A．useless | B．unused | C．useful | D．using |
Sometimes you need to give a stain _____ before adding the garment to a load of laundry.
| A．special treatment | B．a special treatment |
| C．special treatments | D．the special treatment |