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41. The soldier was ________ of running away when the enemy attacked.
A) scolded
B) charged
C) accused
D) punished（C）
42. Had he worked harder, he ________ the exams.
A) must have got through
B) would have got through
C) permitted are freshmen
D) are permitted freshmen（B）
43. Only under special circumstances ________ to take make-up tests.
A) are freshmen permitted
B) freshmen are permitted
C) permitted are freshmen
D) are permitted freshmen（A）
44. I had just started back for the house to change my clothes ________ I heard voices.
A) as
B) when
C) after
D) while（B）
45. It seems oil ________ from this pipe for some time. We’ll have to take the machine apart to put it right.
A) had leaked
B) is leaking
C) leaked
D) has been leaking（D）
46. When he arrived, he found ________ the aged and the sick at home.
A) none but
B) none other than
C) nothing but
D) no other than（A）
47. The pressure ________ causes Americans to be energetic, but it also puts them under a constant emotional strain.
A) to compete
B) competing
C) to be competed
D) having competed（A）
48. Your hair wants ________. You’d better have it done tomorrow.
A) cut
B) to cut
C) cutting
D) being cut（C）
49. As teachers we should concern ourselves with what is said, not what we think ________.
A) ought to be said
B) must say
C) have to be said
D) need to say（A）
50. Once environmental damage ________, it takes many years for the system to recover.
A) has done
B) is to do
C) does
D) is done（D）
