What change, if any, should be made in sentence 12? A.
Remove the comma after the word air.
B.
Add a comma after the word things.
C.
Insert a hyphen between living things.
D.
Change the word its to it's.

Skill check questions rearrange the paragraphs below into the correct sequence. that's because engineers on the ultraclean project have invented a self-cleaning, antibacterial metal surface that repels water with an intricate layer of laser-engraved valleys. when it rains, the lotus does not become damp; the water simply trickles off in fat droplets, taking any bugs and dirt with it. the drudgery may not be around much longer, however, if a team of italian scientists has anything to do with it “it's simply an amazing plant,” concluded professor luca romoli, leader of the project, “and we've succeeded in mimicking it. magnifico! ” few tasks in life hold less joy than scrubbing the ghost of somebody else’s porridge from a saucepan. the starting point for the research was the leaves of the lotus flower.

Multiple ! in this excerpt from act i, scene vi, of macbeth, duncan praises the atmosphere in the castle and the hospitality of his hostess. identify two reasons that these comments are ironic. duncan: this castle hath a pleasant seat: the air nimbly and sweetly recommends itself unto our gentle sense. . . (enter lady macbeth.) duncan: see, see, our honour'd hostess! — the love that follows us sometime is our trouble, which still we as love. herein i teach you how you shall bid god ild us for your pains, and us for your trouble. he will meet his death in the castle, which he considers a pleasant place. his praise for inverness and his hostess, lady macbeth, is deceptive. duncan secretly plans to give macbeth's title to donalbain. the hostess he praises is actually plotting his murder.

Evaluate the argument in president kennedy’s inaugural address for sacrificing oneself for the greater good of humanity. is this argument convincing? in what ways can we see the legacy of his request in this word today.