Please I need answers! A. Identifying Subject Complements In each of the following sentences, underline the linking verb once, and the subject complement twice. Then, in the blank, write PN if the subject Complement is a predicate nominative or PA if it is a predicate adjective.

1. A flag can be a symbol of a nation's people, territory, and heritage.

2. Other banners are signs of various organizations, such as the UN or the Boy Scouts.

3. Flags of various colors and designs can be message senders, as well.

4. The use of banners is quite ancient, dating to the Egyptians.

5. Flags of the Roman Army were easy for the soldiers and generals to see in battle.

6. The colors and symbols of a flag usually are important to that nation's history.

7. Stars on a banner often are a mark of unity

8. Regional flags were abundant in the colonies before the Revolutionary War.

9. Our state flags are part of our country's history.

10. Ohio's flag is triangular, the only state flag so shaped

The “big dig” the “big dig” (the central artery/tunnel project) has been complex and challenging. located in boston, massachusetts, this tunnel is eight lanes wide and three-and-a-half miles long. what is most amazing about this tunnel is that it is constructed under a major highway and skyscrapers located in boston’s financial district. construction crews used “clamshell excavators” during this dig. these machines carved narrow trenches, and then a special substance was pumped into the trench to keep the dirt from caving in. finally, steel beams were lowered into the trench and concrete was pumped in. one problem that engineers faced while constructing the tunnel is the fact that the soil beneath boston is extremely loose and soggy. engineers solved this dilemma by freezing the soil and pumping very cold water into pipes beneath the city. to strengthen the soil even further, a special type of glue was injected into the ground to with the consolidation of the soil. 23 which phrase best defines the word excavator as used in the passage? a. a device used to measure underground temperatures b. a device used to level uneven surfaces c. a device used to move heavy objects d. a device used to dig holes