sos ạ dùng where when which ạaa

$Answer:$

`14.` I will never forget the park where we met each other for the first time.

`15.` The reason for which she left school.

`16.` We have not decided on the day when I'll go to London.

`17.` Our school has a good laboratory where the students practice chemistry.

`18.`  Our school has a good laboratory which Mr. John designed in `2000.`

`19.` $7:30$ is the time when my plane will arrive.

`20.` I love my parents' house where I was born.

`21.` Cách `1:` The book in which we can look up the number is a telephone directory.

Cách `2:` A telephone directory is a book in which we can look up the number.

`22.` We first met in `1945` when the revolution take place.

`23.` The house is very old where we have lived for five years.

`24.` We often visit our friends in Bristol which is only 30 miles away.

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$Explain:$

`+)` Where là trạng từ quan hệ dùng để thay thế cho danh từ chỉ địa điểm :

….N(place) + Where + S + V….. (Where = On/In/At + Which)

`+)` When là đại từ quan hệ dùng để thay thế cho danh từ chỉ thời gian :

....N(thời gian) + when + S + V.....

`+)` Which là đại từ quan hệ dùng trong mệnh đề quan hệ để thay thế cho danh từ chỉ vật và có vai trò như chủ ngữ hoặc tân ngữ trong câu :

...N(vật) + ( giới từ ) + which + V.....

`@Duc`