Rewrite using Direct Speech

mn giúp mình vs mình đang cần gấp
 
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C Rewrite using Direct Speech.
Sandra told Marie that she had been trying to call
the university for the last hour but the line had been
engaged.
Marie inquired what Sandra wanted to ask them.
Sandra answered that they had sent out her results the
week before but that she hadn't received them yet.
Marie asked Sandra whether she knew that the post
office had been on strike for the past week.
She replied that she hadn't known. She explained that
if only she had known, then she wouldn't have wasted
so much time on the phone.
Sandra:
Marie:
Sandra:
Marie:
Sandra: