He doesn't know the reason . You didn't go to the party last night for that reason

Cách làm:

1. Bước 1: Tách câu đầu tiên thành 2 câu đơn:
- He doesn't know the reason.
- You didn't go to the party last night.

2. Bước 2: Xác định liên kết giữa 2 câu đơn:
- for that reason

Câu trả lời:
1. He doesn't know the reason why you didn't go to the party last night.
2. He doesn't know the reason for which you didn't go to the party last night.

The reason for your non-attendance at the party last night is a mystery to him.

He is clueless about the reason you didn't attend the party last night.

The reason for your absence at the party last night is unknown to him.

He is unaware of the reason for your absence at the party last night.