—Mum, would you please buy me an MP5 player?
—If you can help do the dishes the whole vacation, you ________ have one as a reward.
| A．must | B．need | C．would | D．shall |
They live in a house ____ face south.
| A．whose window | B．which window | C．which windows | D．whose windows |
They did not buy ___ milk.
| A．some | B．many | C．a lot of | D．much |
.Everybody must have ___ own choice.
| A．her | B．one’s | C．his | D．our |
One of them hasn't prepared __ lessons very well.
| A．one’s | B．his | C．their | D．our |
One should wash ___ hands before meals.
| A．his | B．her | C．oneself | D．one’s |