21—It is raining cats and dogs22　—　　　23

Hi, Kate. Is this ____English book-No. Look! Here is Lucy’s name. It’s____.

What you smell as you sleep may influenceyour dreams Smell the flowers before you go to sleep ________ you may just endup with rosier dreams

She is too busy to help us finish the work.— Let’s do it ________.

My father likes playing golf；he’s really enthusiastic________it.