Although faced with stress from constant exams, she lost ______ of her enthusiasm for study.
The little boy is dirty from head to foot because he ___ in the mud all morning.
Her ________ look suggested that she was very _______ with the answer.
-Why didn’t Susan come to see us yesterday as she promised?-______.
This book is well worth _______. Would you like to buy one?
These two words are different _______ each other in spelling while they are similar ______ each other in pronunciation.