【C20】A．extraB．excessiveC．extensiveD．external

A．comprehensiveB．intensiveC．extensiveD．wide

【30】A．durableB．excessiveC．surplusD．multiple

This table is strong and durable.A.eternalB.far－reachingC.extensiveD.long－lasting

【C9】A．exclusiveB．exceptionalC．extensiveD．excessive

【C3】A．intenseB．intensiveC．extensiveD．exterior

【C8】A．extraB．overtC．extraordinaryD．exceeding