$\text{1.}$ sent

Send the letter: gửi (một) bức thư

Đây là từ hợp lý nhất nha

$\text{2.}$ didn't come

Come to the party: đến dự tiệc

Do trong mệnh đề đó có "but" tức là nó trái ngược với mệnh đề trước => didn't come

$\text{3.}$ made

Make mistakes: mắc nhiều lỗi (sai lầm)

$\text{4.}$ knew

Đây là từ hợp lý nhất nha

$\text{5.}$ took

Take the keys: lấy (các) chìa khóa

$\text{6.}$ gave

$\text{7.}$ went

Do đề bài là sử dụng thì quá khứ đơn nên go -> went nha

$\text{8.}$ had

1.I got to the post office just before it closed and sent the letter

2.We invited Stephanie to the party, but she didn't come

3.Jack lost his job because he made too many mistakes

4.Everyone knew that it was Bill's fault, but nobody said anything

5.Karen took the keys from the kitchen table and ran out the door

6.I was bored, so Mum gave me some money to go shopping

7.Do you remember the time we go to India on holiday?

8.It started raining, but luckily I had an umbrella in my bag

Chúc bạn học tốt <3