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28. The greater part of London ______ of wood, but after the great fire wider streets and brick houses ______.
A) had been / were built
B) was / were built
C) is / have been / built
D) are / are built
E) has been / is built

29. After my parents ______ home my life ______ better.
A) had returned / became
B) will return / become
C) return / have become
D) return / have become
E) did not / shall have

30. Why ______ you come yesterday? We ______ a good time.
A) don't / can have
B) didn't / could have had
C) will / might have
D) doesn't /
E) will have