School children must be taught how to deal with dangerous_________ .

Henry hurried to the library, only to find a notice at the gate, saying “No___________before 12:00 noon”.

 The _______of our life has been improved greatly since the Party’s policy was carried out.

—I have to ask a(n) _____ of you because the luggage is too heavy for me.—Oh, with pleasure.

What ________surprise you gave us by wearing such funny________ at so serious a meeting!