— My son always has so many strange questions. — Well, it’s common for a boy of his age to be　　　 about many things. 

The little boy says, “ The teacher          a father to me.”

Jim and Paul look the same, ________ they are not brothers.     

— What do you think of my new skirt, Mary?— It’s more beautiful than _________.

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