The new education system is said to be _______ to the successful development of the country.
| A．apparent | B．central | C．allergic | D．generous |
It is the first time that I _______ this kind of moon cake.
| A．enjoyed | B．have enjoyed | C．enjoy | D．enjoying |
I don’t think that the necklace is made of diamond, ________?
| A．do I | B．do you | C．isn’t it | D．is it |
My parents have promised to come to see me before I ______ for Africa.
| A．have left | B．leave | C．left | D．will leave |
He has done so many things, so he certainly deserves _______ to prison.
| A．send | B．to be sent | C．sent | D．sends |
Our goal is to build a harmonious society ______ all people are well educated, workers
well paid, patients well treated, elders well tended, and families well accommodated.
| A．which | B．that | C．in which | D．in that |