Câu 26: He has never told me about the house where he bought last year.
told me
about
where
bought
Câu 27. The news today are always full of stories about people who are unhappy.
are
of
about
who
Câu 28: Lan told me that she would visit me tomorrow.
told me
would
me
tomorrow
Câu 29: Quoc Tu Giam is know as the symbol of knowledge..
is
know
symbol
of
.Câu 30: I found it hardly to keep my concentration with such a noise going on.
it
hardly
concentration
such
26. where -> which: đtqh chỉ vật