Part 4 :

1 - look => looked

2 - leave => left

3 - whom => who

4 - building => be built

Part 5 :

1 - has written to his

2 - walking among the

3 - his grandparents still lived

4 - he is intelligent

Bài 5 mình chỉ làm phần cần điền thôi nhé

`=>`

Part `4` :

`1` . at `=>` for

( look for : tìm kiếm )

`2` . leave `=>` left

( Sau since mệnh đề chia ở QKĐ )

`3` . whom `=>` who

( Whom thường dùng thiên về ý nghĩa bị động hơn chủ động )

`4` . building `=>` built

( Bị động quá khứ đơn : was/were + Pii )

Part `5` :

`1` . Minh hasn't written to his penpal for five months.

`2` . Liz enjoyed walking among the green trees.

`3` . Nam asked me if my grandparents still lived in Nha Trang then.

`4` . Even though he is intelligent , he doesn't study well at school

$\text{#Nhyy}$