87.Whenever Olive is misunderstood by her friends,she would like to write to them for clarification,______ (而不是面对面交流).
88.I must admit that______(适应新的环境不容易).
89. ______ (让我一直困惑)is why she is so attractive but still single.
90.Mark often——(试图逃脱罚款)whenever he breaks traffic regulations.
91. Susan lookssoslimnow,I thinkshe______ (她一定很努力地减肥了).