B) She must have already read it. 
c) I must have gone away.
d) He must have been a detective .
e)You must have been very tired.
    a.I hardly worked yesterday because i was tired.
    b)I hardly worked yesterday and finished all my work
    c)I hardly breathe .I had just finished running two miles.
    d)I hardly breathe .I did not want him to hear me.