51. He is too dull . . . . . . . the problem.
solving to solving
52. He did not go . . . . . . . the whole book before giving his opinion about it.
through into over with
53. When my uncle entered the house, I . . . . . . . writing a letter.
was would be had been should be
54. It . . . . . . . since early morning.
will rain is raining rained has been raining
55. However honest he . . . . . . ., I do not trust him.
is may be might be could be
56. . . . . . . adequate preemptive action to avert this tragedy?
Would you not be taking Would you have not taken Shall you not have taken Should you not have taken
57.It . . . . . . . too cold to go out last night, so we stayed at home.
had been has been was used to be
58. There were not more than . . . . . . . supporters of this proposal in the Parliament.
a little few a few the few
59. History records seventeen incursions of Sultan Mahmood . . . . . . . India.
against into upon on
60. . . . . . . you do not work you cannot succeed.
If Unless Till Until