摘要：22．The sign reads “In case fire, break the glass and push red button． A．不填; a B．of; the C．of; a D．不填; the

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

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

[　　]

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.”

[　　]

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．”