Fill in the blanks with “should” and “shouldn't” (Điền vào chỗ trống với “should” và “shouldn't”) 1. What kind of present … I buy for my mum on her birthday?

Fill in the blanks with “should” and “shouldn't” (Điền vào chỗ trống với “should” và “shouldn't”)

1. What kind of present … I buy for my mum on her birthday?