Question

1. lackluster (a) her __________ response to the lecture suggests a lack of interest in geography. (b) isaac can improve his ________ grades with a little extra effort. (c) “make your dog’s ________ coat shine again with shampoooch,” the label read. 5. efficacy (a) penicillin’s ________ in treating infections has been known for several decades. (b) the ________ of peacekeeping forces was put to the test in bosnia. (c) the ________ of television in aiding a political campaign is unquestioned. (a) her ________ remark just before she hung up the phone left me feeling puzzled. (b) the value of a painting like vermeer’s girl with a pearl earring is ________. (c) think for a moment of the ________ distances between the galaxies. 7. prodigious (a) i was disconcerted by the ________ looks i received from my fellow passengers. (b) picasso’s ________ output amazes students of his work. (c) baryshnikov’s ________ leaps made him a favorite of ballet lovers. 8. zealous (a) “the secret of success,” the speaker asserted, “is the ________ pursuit of excellence.” (b) elizabeth cady stanton was a ________ advocate of women’s rights. (c) the __________ colors of the waving banners were dazzling to the eye.

Explanation:

For each word, we need to choose the most appropriate context - based fill - in. "Lackluster" means dull or unimpressive, so it fits in contexts where something is not showing much interest, quality, or shine. "Efficacy" refers to effectiveness, so it is used when talking about the effectiveness of a treatment, force, or medium. "Prodigious" means very large or impressive in amount, size, or ability. "Zealous" means having or showing great energy or enthusiasm.

Answer:

1. (a) lackluster

(b) lackluster
(c) lackluster

1. (a) efficacy

(b) efficacy
(c) efficacy

1. (a) prodigious

(b) prodigious
(c) prodigious

1. (a) zealous

(b) zealous
(c) zealous