题目内容
30. It is not always possible to foresee the obstacles _____ your way towards an ambitious goal.
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Section BDirections: There are 10 incomplete statements here. You should fill in each blank with the proper form of the word given in the brackets.31. It is (sure) _____ self-evident that radical changes must be made before any real progress can be achieved.
32. Had the driver of the train not reacted so quickly, the accident (be) _____ much worse.
33. It's worthwhile (take) _____ the trouble to explain a job fully to new employees.
34. Climbers have to carry all their equipment on their backs, (not mention) _____ their tents and bedding.
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