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21. the age of thirty, Pater went to Australia to look for a job.
A. On B. At C. From D. By
22. -I called you at eight o\\'clock yesterday evening, but there was no answer.
-Oh, I\\'m sorry. I________dinner at my friend\\'s home.
A. have B. had C. was having D. have had
21. the age of thirty, Pater went to Australia to look for a job.
A. On B. At C. From D. By
22. -I called you at eight o\\'clock yesterday evening, but there was no answer.
-Oh, I\\'m sorry. I________dinner at my friend\\'s home.
A. have B. had C. was having D. have had