That day they ________ there on foot, but they took a taxi. The place was only 50 meters away from the railway station. 
#88127
A
must have gone
B
shouldn’t have gone
C
could have gone
D
couldn’t have gone
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______ smoking, he would not have got cancer in the lung.
#90517
A
Was he given up
B
Had he given up
C
Did he give
D
If he gave up
John ___ such a thing about you. He never speaks ill of you behind your back.
#87863
A
can’t have said
B
might not have said
C
couldn’t say
D
mustn’t have said