I am very busy.I have a very difficult problem ______ .
90. When the _____ young actor appeared on the stage, all eyes were fixed upon him.
89. Every child is _____ to it parents.
88. We are determined to build our country into a prosperous and _______ socialist country.
87. I’m sure your parents are _______ with your progress in English study.
86. I think this novel is suitable for you middle school students, for it is written in plain English. The underlined word means _____.