Which sentence contains unnecessary shift in verb tense?

a. if anyone knows the answer, she does.
b. as i came in the front door, eddie is going out the back door.
c. a row of ants had filed up the chair leg and was about to consume our lunch.
d. the barrier will drop down every time that a train approaches the crossing.

Which sources would be most appropriate for an essay that focuses on how technology has affected the development of english? check all that apply. an anthology of old and middle english literature u "colonialism and the influence of french on english" the effects of the printing press on language "how computers are changing the way we speak, write, and think" influential writers of the eighteenth century "lol: the influence of text messaging on spoken english"

In 250-300 words, discuss jem’s character development in to kill a mockingbird. how does he grow and change? what are the major events that affect that change?

Which statement best describes the way this interaction affects the plot? nora and doctor rank have to find a way to hide their love for each other from helmer. doctor rank's admission of love prolongs the suspense because now nora cannot ask him for . nora and doctor rank have to keep the extent of his illness a secret from helmer later. now that doctor rank has expressed his love for nora, he can no longer come to the house.