—Shall I help you carry your travel case to the train ,Granny? —Oh,no,my boy.It is heavy.Thank you anyway.
30. _______ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
29. That was the first time I _______ there and I was impressed by the friendly people very much
28. She had a computer at home, and her parents desired that she ______ all her work at home.
27. I shall never forget those years _____ I lived on the farm with the farmers, ______ has a great effect on my life.
26. Many applicants stood outside the manager’s office, nervously waiting _________ for the job.