Since you have missed such a good chance, don’t think about it any more. It’s ______ crying over spilt milk.
— How often do you refer to a dictionary when you are reading an English novel? — Well, it depends. ____ it actually affects my understanding ____ look the word up.
Studying Wendy’s menu, I found that many of the items are similar to _____ of McDonald’s.
Would it ______ for the city authorities to further restrict parking?
----Why didn’t you come to meet me, Bill? ----Sorry, dear. But I really forgot where I was _____ to meet you.
_______from the moon, our earth, with water _____about 70 percent of its surface, appears like a blue ball.