viết lại câu theo từ gợi ý the film was very amusing ,so no one could stop laughing.(such) -->the film was

The film was very amusing, so no one could stop laughing. (such)

--> The film was so amusing that no one could stop laughing.

--> It was such an amusing film that no one could stop laughing.

mình thấy đề ở đây phải là 

It was .....

Cấu trúc: 

S1+tobe+so+adj+that+S2+V...

= S + V + such + (a/an) + adj + noun + that + S + V