TOEFL exercise (skill 1-3) : choose the letter of the underlined word or group of words that is not correct.
1. Nobody know(a) when the process(b) of glass-making was(c) invented(d).
Answer : A.know
I think this sentence is wrong, because nobody (singular), would know it to be "knows"
2. The languages of the world presents(a) a vast array(b) of structural similarities(c) and differences(d).
Answer : A.presents
because of the Languages ​​(plural) so that the use of "present" instead of "presents" (singular)
3. The rise of multinationals have(a) resulted(b) in a great deal of legal ambiguity because multinationals can(c) operate(d) in so many jurisdictions.
Answer : A.have
Because the subject singular (the rise of multinationals), so has not have (plural).
4. All of the east-west interstate highways in the united states has(a) even numbers(b), while north south interstate highways are(c) odd-numbered(d).
Answer : A.has
I think there is a wrong word it’s Has (A) because highways is Plural so we use have not has for singular.
5. When(a) a massive star in the large magellanic cloud exploded(b) in 1987, a wave of neutrinos were(c) detected(d) on earth.
Answer : C.were
a a wave is singular so was not were
6. Every open space in the targeted(a) area that has(b) grass and a few bushes are(c) occipied(d) by the white-crowned sparrow.
Answer : c.are
Every open is singular so is not are
7. Krakatoa is remembered(a) as the volcano that put(b) so much ash into the air that sunsets the world was affected(c) for two years afterward(d).
Answer : c.was affected
Because sunsets (noun plural) so were affected not was affected.
8. The term “Yankee” was(a) originally a nickname for people from new england, but now anyone from united states are(b) referred(c) to as(d) a Yankee.
Answer : B. Are
Because anyone is singular,so is not are.
9. A network of small arteries, mostly sandwiched(a) between the skin and the underlying(b) muscles, supply(c) blood(d) to the face and scalp.
Answer : C. Supply
Because a network is singular so supply become supplies.
10. Mesquite is(a) a small(b) tree in the southwest who(c) can withstand(d) the severest drought.
Answer : C.who
The subject not people is noun so which not who.