1. Don’t forget to take a breath of ______ fresh air and have some exercise each day. It will make ____ difference.
A. /; a B. the; a C. /; the D. a; the
2. These two words are different _______ each other in spelling while they are similar ______ each other in pronunciation.
A. from; to B. from; as C. with; like D. with; to
3. This book is well worth _______. Would you like to buy one?
A. to read B. being read C. reading D. to be read
