19. Susan told me that she
a letter the
next day.
(0.5 Điểm)
would send
sent
will send
20. "I went to the seaside last summer" *
(0.5 Điểm)
David said that he has gone to the seaside
the previous summer.
David said that he had gone to the seaside
the previous summer.
David said that he went to the seaside the
previous summer.