【C5】A．durableB．disposableC．availableD．transferable

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

Frankly, I hope that we can develop a______ quality product.A．durableB．lastingC．permanentD

【C9】A．evaluableB．validC．availableD．valuable

A．considerableB．reliableC．availableD．flexible

【C6】A．concernedB．itselfC．availableD．oneself

【C5】A．ableB．capableC．availableD．acceptable