Once untied, we common people are able to conquer______ (natural), too.
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A good seller should needs to learn how to______ (social)with his or her customers.
It is not easy to differentiate______ (culture) pearls from naturalpearls.
It is______ (ridiculously)to believe that the number 13 is unlucky.
We were amazed,______ (shock), dumbfounded, shaking our heads in disbelief.