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

45. The soup is too hot. Be careful not toyour mouth.

More people are choosing to work _____ retirement age，since the living expenses are shooting up sharply

________ very confused，thelittle girl looked up the information in the book to find out the answer．

8.The ________ goal of the book is to help bridge the gap between research and teaching, particularly the gap between researchers and teachers.