1. I had gone to the supermarket, then I cooked dinner and enjoyed it with some good music

-> went

2. If today is Sunday, staying in bed and watching a thriller would make me happier than anything else

-> were

3. Merlion Park where is a Singapore landmark and major tourrist attraction is located at One Fullerton, Singapore, near the Central Business District

--> which

4. Fish and chips, which is a hot dish of English origin, consist of fried battered fish and hot potato chíp

-> X

5. Sashimi and sushi, which is served with a dipping sauce made from soy sauce and wasabi, are well-known traditional food of Japan

->are

1. had gone $\to$ went (chuỗi hành động trong quá khứ)

2. is $\to$ were (câu điều kiện loại 2)

3. where $\to$ which

4. a $\to$ 0

5. is $\to$ are