làm và giải thích giúp mình với ạ
----- Nội dung dịch tự động từ ảnh -----
1. It was raining so heavily while we arrived at the beach.
B
A
C
D
2. I was coming home this morning when I was seeing Kate waiting at the bus stop.
C D
A
B
3. When he was calling me, I was doing the cooking for dinner.
A
B
C
D
4. He putted the letter on the table and then he got out to take a taxi.
A
B
C
D
5. While we talked, someone in the same room was recording our conversation.
A
B C
6.
D
The king's biodiesel oil project was first to introduce in 2001.
A
B
C
D