9.Lizziespell her name before she was three.

a) must

b) could

c) might

10.Yougo to the post office. I'll go later.

a) must

b) might

c) needn't

9.Lizziespell her name before she was three.

b) could

10.Yougo to the post office. I'll go later.

c) needn't

Объяснение:

9.Lizzie could spell her name before she was three.

10.You needn't go to the post office. I'll go later.