`a)` I think that my boss is the person who I admire most.

`b)` Harry, who was tired, went to bed very early.

`c)` We're taking the train that leaves at 6.00.

`d)` Have you seen the book that I left here on the desk?

`e)` The film which we liked most was the French one.

`f)` My radio, which isn't very old, has suddenly stopped working.

`g)` The clothes which you left behind are at the reception desk.

`h)` The couple who met me at the station took me out to dinner.

`i)` Last week I ran into an old friend who I hadn't seen for ages.

`j)` Don't cook the meat that I put in the freezer - it's for the dog.

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`_` Các đại từ quan hệ (who, which, that) có thể bị bỏ qua trong một số câu vì chúng không phải lúc nào cũng cần thiết để giữ cho câu có nghĩa.