A. water; harm B. water; harms C. waters; harm D. waters; harms
A. half an hour’s drive B. half hours drives C. half an hour’s drives D. half an hour drive
A. Mrs Smith B. Mrs Smiths’ C. Mrs’ Smith D. Mrs Smith’s
A. Mary’s mother B. Mary’s mothers’ C. Mary’s mother’s D. Mary mother’s
A. aunt B. aunt’s C. aunts D. auntes’
A. Peter B. Peters’ C. Peters D. Peter’s
A. difficulty B. trouble C. difference D. matter
A. puzzle B. cause C. problem D. reason
A. question B. problem C. quarrel D. delay
A. agreement B. allowing C. permission D. perfomance
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