Peter writes _____of the three.

 Aunt Wang bought two ________for me yesterday.

—Look at the flowers I gave you last month. They are dying! ________ do you water them?—Sorry, I forgot to water them.

I was looking for a birthday gift for my mother, but I couldn’t find ______ suitable.

—It’s a long story, but you can hardly find new words in it.—Good! _____ it will be too hard for children.