18. which of the following is a complex sentence? a. i would like to visit the kinshasa, but i understand the city is unsafe for foreigners. b. check out the editorial page in today's paper and you'll notice the piece by george will. c. as jake was reading the email from june yet again, the flight attendant coughed gently to get his attention. d. i simply cannot make heads or tails of rap lyrics, but i suppose i'm just too old to understand them.

Answer is C. As Jake was reading the email from June yet again, the flight attendant coughed gently to get his attention. This is an example for a Complex Sentence.

modal adverbs are used to modify specific verbs that consist of a linking verb (verb of being) and sometimes another verb. examples of modal verbs include can, could, may, might, must, shall, should, will and would.

modal auxiliary. an auxiliary verb characteristically used with other verbs to express mood, aspect, or tense. in english, the most common modal auxiliaries are can, could, may, might, must, ought, shall, should, will, and would. also called modal .

he is suggesting that this widow is a strong woman, who is giving constructive criticism and she has enough to worry about, and she takes care of him, so he does not take it to heart.