—Daddy, how much do you earn an hour?
—If you ______ know, $20 an hour．
A. may B- must
C．can D．should
___ more and more forests destroyed, some animals are facing the danger of dying out.
| A．As | B．By | C．For | D．With |
—People are never ____ with what they have. They always want something more or something different.
—No, that’s not my case. What I have has ____ me.
| A．satisfied; exciting | B．satisfied; excited |
| C．satisfying; exciting | D．satisfying; excited |
The expert________children not too often to go to McDonald’s or KFC.
A. suggests B. advises C. allows D. offers
A new house at the corner of the road ____ for years.
| A．was built | B．has been built | C．was been built | D．has had being built |
Perhaps the most important characteristic of rap music is the way ____ the artists sing.
| A．that | B．how | C．which | D．as |