17. It’s known that taking exercise______your health.
| A．do good to | B．does good to | C．is good to | D．are good for |
He ___ away before we arrived, since the house was deserted．
| A．shall have gone | B．should have gone |
| C．could have gone | D．must have gone |
When we happy for what we win, we should keep in mind that one’s good vintage may be ___ bitter cup．
| A．the other’s | B．another’s | C．other’s | D．other else’s |
Plastic surgery definitely does harm to individuals mainly because the patients will have to take risks ___damaging their health．
| A．in | B．on | C．at | D．of |
Recently a debate about ___ is real beauty has been raised．People are pushed to think some questions like ___ is better, artificial beauty or natural one．
| A．what．．．which | B．who．．．which |
| C．whatever．．．whoever | D．where．．．which |
One thing kept in our mind is ___ we would never forget to show our greatest appreciation for our loved and beloved ones．
| A．when | B．that | C．what | D．how |