1. The pandas look so cute and they do everything slow.
=> The pandas look so cute and they do everything slowly.
2. My friend and I was at the zoo all day yesterday.
=> My friend and I were at the zoo all day yesterday.
Bạn và bạn của bạn là 2 người đồng nghĩa với số nhiều nên chỉ là were ko phải là was
were= are ở QKĐ was= is ở QKĐ
3. At the animals slow, the elephant did played football.
=> At the animal's slow, the elephant did play football.
did chia rồi nên ĐT phía sau ko chia
did= do ở QKĐ