Question

complete the paragraph by typing \know,\ \knew,\
o,\ or
ew\ in the blank boxes.
word bank
know
knew
no
new
privacy versus security at the airport
how do you □ whether airport security is working? □ one feels complete confidence in the current security system. recently, a man got on
an international flight bound for detroit with a bomb in his underpants—a tactic that has influenced the □ advances in detecting explosives on
passengers. while most travelers □ that some □ restrictions would occur on flights, they did not □ how far these would go. airplane
passengers must stand before an x - ray machine that allows guards to see their nude body. in this way, guards will □ whether a person has a
bomb in their underpants as well as whether they have □ underpants on at all!

Explanation:

1. First blank: "know" (present tense, asking how you determine)
2. Second blank: "No" (capitalized, meaning not one)
3. Third blank: "new" (referring to recent advancements)
4. Fourth blank: "knew" (past tense, travelers' past knowledge)
5. Fifth blank: "new" (new restrictions)
6. Sixth blank: "know" (present tense, didn't know extent)
7. Seventh blank: "know" (guards will know)
8. Eighth blank: "no" (whether they have no underpants)

Answer:

1. know
2. No
3. new
4. knew
5. new
6. know
7. know
8. no