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完形填空。
Hello, everyone! My name is Nancy. I’m 1_ America. My favorite animals are koalas, 2 _they are very cute. Do you 3 _about kolas? Let me tell you about them.
Kolas 4_ in Australia. They have small black eyes, big ears and thick(浓密)hair.  5_hair is usually grey and brown. They are about 70-8-cm long. 6 _do they like to eat? Eucalyptus leaves(桉树叶). They don’t usually drink, because they can get much 7 _from the eucalyptus leaves. They 8__ in the trees during(在...期间) the day, but at night they get up and have food.
Kolas are in great danger now. Today there are 9_43,000 kolas(100,000 before). People cut down trees and 10__ kolas. We must do something to save them.
(   )1.A.over           B.from           C.before
(   )2.A.because        B.so             C.or
(   )3.A.know           B.talk            C.walk
(   )4.A.feel            B.fight           C.live
(   )5.A.Their           B.Our            C.Her
(   )6.A.Who            B.When           C.What
(   )7.A.food           B.exercise        C.water
(   )8.A.sleep           B.run            C.work
(   )9.A.either          B.only            C.always
(   )10.A.stop           B.brush           C.kill