darkness, she felt ________, but when she turned around, nobody was there.

She was so sad because she failed in the math test . Let’s ____ her _____.

Must I return the book to you now, Jack —No, you _____. You can give meback tomorrow.

The little child ______ go out alone at night，so he ______ walk in the dark that night.[ ]

How manybirds can you see in the tree—-_______. All the birds have flown away.