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　　common 可以指“普通的，平常的，常见的”，而非特殊的。

　　Robbery is not common in this area. 这个地区劫案不常见。

　　usual 指“常见的，通常的，惯常的（customary）”，但一般不修饰人。

　　She arrived later than usual.

　　73. Wonder / Wander

　　74. Case / Situation来源：www.examda.com

　　75. what / as

　　What matters is your self-confidence. /

　　As is his custom， he takes a walk after a meal.

　　76. Normal / Ordinary

　　lead normal lives（过正常的生活）；

　　in ordinary living（在日常生活中）

　　77. Regard / Look at

　　78. if only / only if

　　79. Receipt / Reception

　　80. but for / except for

　　81. Favorable / favorite

　　82. Considerate / considerable

　　83. Desirous / desirable

　　85. Uninterested / disinterested

　　86. Effective / efficient

　　87. Economic /economical来源：www.examda.com

　　88. Imaginary / imaginative / imaginable

　　89. Industrial / industrious

　　90. Installation / （buy） on installment

　　91. Pessimistic / optimistic来源：www.examda.com

　　92. Practicable /practical

　　93. Sensible / sensitive

　　94. Resource / source

　　95. Special / specific

　　96. Successful / successive

　　97. Vacation / vocation

　　98. Whatsoever / whatever

　　99. Worth / worthy / worthwhile

　　100. surprised / surprising， excited / exciting， etc.

　　101. Give / given

　　102. Consider / considering

　　103. suit/fit

　　104. ever / once

　　105. sometime （未来某个时刻）/ some time （一段时间）/ sometimes