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The sign reads “In case of ____ fire, break the glass and push ____ red button. ”

A. 不填；a     B. 不填；the     C. the; the      D. a; a

The sign reads “In case of ____ fire, break the glass and push ____ red button. ”

A. 不填；a     B. 不填；the     C. the; the      D. a; a

 The sign reads "In case of_______fire, break the glass and push______red button. "

A./; a             B./; the           C. the; the              D. a; a

The sign reads “In case of ____ fire, break the glass and push ____ red button. ”

A. 不填；a     B. 不填；the     C. the; the      D. a; a

The sign reads “in case of _____ fire, break the glass and push _____ red button.”  

  A. /; a                               B. /; the                               C. the; the                           D. a; a

The sign reads ‘‘in case of___ fire, break the glass and push_____ red button.’’

A. 不填；a     B. 不填；the      C. the; the         D. a; a

The sign reads “In case of __ fire, break the glass and push __ red button.”

 A. /, a              B. /, the                   C. the, the        D. an, the

The sign reads“In case of      fire, break the glass and push      red button.”

       A．/; a                     B．/; the                   C．the; the               D．An; /

The sign reads “in case of _____fire, break the glass and push ____red button”.

A．/ ; a         B．/ ; the           C．the ; the             D．a;  a