根据下列句子结构和所给汉语的意思，写出这一单词的正确形式。（共5小题；每小题2分，满分10分）
【小题1】Do you know what’s his attitude (态度) to this matter?
【小题2】The girl was so glad to receive an invitation (请帖)from her friend.
【小题3】The house was old and the tables weredusty （布满了灰尘）.
【小题4】He speaks with a strong southern accent （口音）.
【小题5】English is spoken as an official （官方的）language in Australia.
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解析：
【小题1】考查名词。因为前面有his 修饰所以用名词attitude.
【小题2】考查名词。因为前面有an 修饰所以用名词invitation.
【小题3】考查形容词。因为这里是系表结构，故用形容词dusty.
【小题4】考查名词。因为前面有a strong southern修饰所以用名词accent.
【小题5】考查形容词。因为用形容词修饰名词，故用official.