Writing prompt: Twins Lucy and Lily are celebrating their birthday today, and their parents bought them some gifts. Write a short English essay describing these gifts.
Writing hints: presents; storybooks; dolls; stationery

Student essay:
Today is Lucy and Lily's birthday. Their parents buy some presents for them. some interesting storybooks, some cute dolls and a lot of stationeries. Lucy and Lily really like them. they are very happy.

Corrected essay:
Today is Lucy and Lily's birthday. Their parents buy some presents for them, such as some interesting storybooks, some cute dolls and a lot of stationery. Lucy and Lily really like them. They are very happy.