Free talk When is your birthday? What did you do on last birthday? What did you eat on that day? What gift did you get?

Tips sea-food一般作作可数名词用,但是用来表示各种各样的海鲜时,用作可数名词。如: 1.I bought some sea food for my motheryesterday. 2. You can buy fishes, crabs and other seafoods here.