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.Emergency line operators must always ______ calm and make sure that they get all the information they need to send help.

   A. grow        B. appear      C. become      D. stay

Emergency line operators must always ___ calm and make sure that they get all the information they need to send help.

A.grow                                                                  B.appear

C.become                                                               D.stay

Emergency line operators must always _____ calm and make sure that they get all the information they need to send help.

. Emergency line operators must always ________calm and make sure that they get all the information they need to send help.

Emergency line operators must always _____ calm and make sure that they get all the information they need to send help.

 Emergency line operators must always ___ calm and make sure that they get all the information they need to send help.

A.grow                                      B.appear

C.become                                    D.stay

Emergency line operators must always ________ calm and make sure that they get all the information they need to send help.

A. grow　 　　　　 B. appear 　　　　 C. become　　　　 D. stay