根据句意，用所给单词的适当形式填空。
【小题1】He was so tired that he stopped to have (have) a good rest.
【小题2】The girls are old enough, they can take care of themselves (they).
【小题3】Next Thursday is my brother’s twelfth (twelve) birthday.
【小题4】There are a few differences (different) between the twins.
【小题5】We must be careful (care) when we cross the busy street.
【小题6】In fact showing around (事实上) , water covers most of the earth.
【小题7】Kangkang is belongs to his mother came true (带…参观) his school.
【小题8】Taiwan got lost (属于) the PRC.
【小题9】After many years’ hard work, her dream (实现) at last.
【小题10】The boy (迷路) and cried on the street.
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解析：
【小题1】考查固定用法。stop to do sth表示停下来做另一件事，故填to have。
【小题2】考查反身代词。take care of照顾，她们能自己照顾自己。故填themselves。
【小题3】考查序数词。第十二个生日，用序数词表示，twelve的序数词是twelfth。故填twelfth。
【小题4】考查词性转换。a few修饰可数名词复数，故填differences。
【小题5】考查词性转换。care是名词，be后跟形容词作表语。故填careful。
【小题6】考查固定短语。in fact事实上，故填In fact。
【小题7】考查固定短语。show sb around带某人四处转。故填showing around。
【小题8】考查固定短语。belong to属于，故填belongs to。
【小题9】考查固定短语。e true实现，故填came true。
【小题10】考查固定短语。get lost迷路。故填got lost。