8.—I can't believe it. Tony has invented a tree­planting machine.

　　—Really? He is so______.

　　A. shy B.rude C.creative D.friendly

　　9.My mother asked me ______ hard to have a better future.

　　A.work　B.works　C.worked　D.to work

　　10. At last the police____ the man ____ the case and they fou nd something strange.

　　A.repeated; and

　　B.compared; with

　　C.communicated; with

　　D.connected; with

　　11. Our life h as______ a lot ______ the government's help.

　　A.increased; because

　　B.improved; because of

　　C.raised; thanks to

　　D.risen; thanks for

　　12. My mother is very______ with us when my sister and I ask her questions. We all love her.

　　A.patient B.secret

　　C.ACTive D.wisely

　　13. A villager______ the cave(山洞) when he was climbing the mountain.

　　A. invented B.discovered

　　C.founded D.reviewed

　　14. —What will you do if you don't know a word in a passage?

　　—Sometimes I will__ ____ in a dictionary and at other times I will guess its meaning according to the context(语境).

　　A.look it up B.look up it

　　C.look through it D.look it through

　　15. I hope that you can make the choice______ and don't let me down.

　　A.easily B.loudly

　　C.wisely D.secretly