$\text{57.}$ The island which we visited was extremely beautiful.
$\text{→}$ Chỉ nơi chốn dùng "where"
$\text{58.}$ The girl whom I met was a friend of Philip's.
$\text{→}$ Sau "whom" là N
$\text{59.}$ The meal which we ate wasn't very tasty.
$\text{→}$ Chỉ vật dùng "which"
$\text{60.}$ Gina who was the first person I asked.
$\text{→}$ Chỉ người dùng "who"
$\text{→}$ Sau "who" là V