Copper is often used as an electrical conductor because it _____.

Which of the following italicized parts is used as an object complement？A．He is often hear

Which of the following reflexive pronouns（反身代词)is used as an appositive（同位语)？（2012)

Which of the following reflexive pronouns（反身代词)is used as an appositive（同位语)？（2013)

Which of the italicized parts is used as an object complement？A．Her mind is becoming unhin

Which of the following reflexive pronouns（反身代词)is used as an object？A．John often put h

A red light is often used as a danger _____.A. signalB. signC. warningD. reminder