41. It isn't quite _________ that he will be present at meeting.

A. sure B. right C. exact D. certain

42. You will never guess whom I _________ on the street yesterday.

A. ran over B. ran out of C. ran into D. ran up to

43. I don't think it is any use _________ this matter any further.

A. discussing B. to discuss C. to discussing D. to be discussed

44. In short, _________ he lives, a man belongs to some society.

A. whatever B. whenever C. whichever D. wherever

45. Judging from his manners at the party, he doesn't seem _________ much education.

A. to receive B. to be receiving

C. to have received D. to have been received

46. Our children and grandchildren will _________ if we don't look after our pla***.

A. endure B. suffer C. tolerate D. bear

47. The news of the air crash is not yet _________ by the government.

A. ***mitted B. confirmed C. considered D. concerned

48. You ought to know better than _________ yourself in unnecessary expense

A. to involve B. involve C. involving D. involved

49. She walked across the meeting room _________ every one looking at her.

A. with B. as C. while D. when

50. No sooner had we sat down _________ we found it was time to go.

A. than B. when C. as D. while

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