Choose: exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6, exercise 7, exercise 8
Fill in: exercise 1, exercise 2, exercise 3, exercise 4, exercise 5
Choose: exercise 1, exercise 2, exercise 3, exercise 4
Fill in: exercise 1, exercise 2, exercise 3
Choose: exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6
Fill in: exercise 1
Choose: exercise 1, exercise 2, exercise 3, exercise 4, exercise 5, exercise 6, exercise 7, exercise 8, exercise 9, exercise 10, exercise 11