If____________ , the polluted air can result in deadly diseases or even death.
28. Only when I read this story for a second time ______ to appreciate its beauty.
27. The company was named Gates Hall ______ a man named James Gates.
26. He wanted the girl he was looking forward _________ stay with him.
25. —Your mother becomes more and more forgetful. — Yes. She searched for her cell phone for a whole day last Sunday but it ______ in her coatpocket the next day.
24.-How do you like our restaurant?-I couldn’t have found a ________ one.