B. Listen again. Complete the sentences with the words in the box.

(Lắng nghe một lần nữa. Hoàn thành các câu với các từ trong hộp)

quickly     slowly     playfully     gracefully     quietly     hard

1. Sloths move slowly in trees but _______ in water.

2. Bees work very _______ to make honey.

3. Owls wait ________ for their food.

4. Dolphins swim ________. They jump _______ out of the water.