The rest of his life was devoted ___ pollution ___ more happily. [ ]

Last night, Dan hung out with his friends too late. When he came home, he went upstairs without a _______. But to his surprise, his father was sitting in his room.

If you had taken the doctor’s advice a week earlier, you ____ quite well right now.[ ]

You may find the key to the math problem on page 107.—Ah, it’s so simpleI wonder why I _____ of that

He took more than 200 photographs _____ the earth _____ total