通过加前缀“un”写出下列单词的反义词,并猜测他们的汉语意思
lucky
important
kind
comfortable
friendly
happy
根据句意选用true或real填空
thatisa------dog,notatoy
shetoldmea-----storyandiwasmoved
wearelearningtoskateon------ice
it's-----thatshewascomebackfromAmerica
thisisa----storyof-----life
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