Read the following passage and choose the best answer for each blank.

 

            During the war, children wore straw hats to (26) _________ themselves from debris. Houses and schools were bombed and destroyed. Many children were made (27) _________ and their schools had to be moved around or lessons sometimes had to (28)______ after dark to avoid being targeted by heavy bombing. Many schools had its roof (29) ______ with several layers of straw to withstand the (30) _______ of the bombs. Life for children was very hard in both the North and South of Viet Nam during the war.

            Young people were (31) _____ of their duty to serve their country. Even young girls took part in the war efforts by digging bomb shelters. Children took first-aid courses after school so that they could (32) ______ injured people. Childhood years of children born in the 1960s are (33) ________. As innocent children, they went to school (34) _____ straw hats in the sounds of American jet fighters in the sky and the shots from Vietnamese anti-aircraft guns. Nowadays, they are proud that they came through those hardships. They had their heads held (35) _______- walking out of the war.

Young people were (31) _____ of their duty to serve their country.