What you smell as you sleep may influence your dreams. Smell the flowers before you go to sleep ________ you may just end up with rosier dreams.
—I am afraid this pair of shoes is a little expensive.—If you really want to buy them, I will give you a ____ of 10 percent.
—Have you heard ____ news that over 10,000 people lost their lives in the earthquake in Japan?—Not yet.What ____ big surprise!
_________you’ve known the importance of it, you should try your best to do it.
I met her ________in a crowded bus.
The reason why we were so late is________