TOEFL Exercise (Skills 7-8)

Skill sebelumnya: Noun Clause Connectors/Subject (Skill 8)

Choose the letter of the word or group of words that best completes the sentence.

1. Today, the true story of _____ at Little Bighorn remains a mystery.
    (A) Happened
    (B) it happened
   (C) what happened
   (D) what happening

   Jawaban : C

   Analisa:

• Kalimat _______ at Little Bighorn remains a mystery belum memiliki subject dan verb.
• Jawaban yang tepan adalah (C) what happened karena what berfungsi sebagai subject dan happened sebagai verb. What juga berfungsi sebagai connector antara dua kalimat diatas.

2. For more than a decade, ____ that certain species are becoming scarce.
    (A) the warnings of bird-watchers
    (B) warn the bird-watchers
    (C) birdwatchers have warned
    (D) a warning for bird-watchers

    Jawaban: (C)
    Analisa:

• Kalimat/klausa pertama dari kalimat diatas tidak ada sedangkan kalimat/klausa kedua adalah ......certain species are becoming scarce.
• Karena yang di butuhkan kalimat maka harus ada Subject dan verbnya. 
• Jawaban terbaik adalah (C) karena birdwatchers subject dan have warned verb.

3. Early in the eighteenth century, Halley accurately predicted when ____ of 1682 would return.
    (A) the comet
    (B) was the comet
    (C) the comet was
    (D) had the comet

    Jawaban: (A)

    Analisa:

• Kalimat/klausa ke dua: when_____ of 1682 would return tidak memilii subject.
• Jawaban terbaik adalah (A) the comet karena ini bisa melengkapi kalimat di atas.

4. No single factor explains why _____ vary so greatly among individuals.
    (A) aging affects
    (B) the effects of aging
    (C) aging has an effect
    (D) the aging effect

    Jawaban: (B)

    Analisa:

• why_____vary so greatly among others membutuhkan subject. Verb dari kalimat kedua di atas adalah vary. 
• Jawaban terbaik adalah (B) the effects of aging karena the effects adalah plural subject dan membutuhkan plural verbs; vary.

5. Lack of clarity about ____ the party in the coming year will be removed at the party’s convention.
    (A) will lead
    (B) lead
    (C) they will lead
    (D) who will lead

    Jawaban: (D)

    Analisa:

• Kalimat about _______ the party in the coming year..... membutuhkan connector/subject dan verb.
• Jawaban terbaik adalah (D) karena who berfungsi sebagai connector sekaligus subject sedangkan verbnya adalah will lead.

6. We do not ____ the bow drill was first developed for woodworking or fire making.
    (A) whether it
    (B) know whether it
    (C) know whether
    (D) sure whether

    Jawaban: (C)

7. Minute Man National Historical Park is a monument to where _____
    (A) the beginning of the Revolutionary War
    (B) in the beginning of the Revolutionary War
    (C) the Revolutionary War to begin
    (D) the Revolutionary War began

    Jawaban: (D)

8. Tests on the colors of cars were conducted at the University of California to determine _____ the safest colors for cars.
   (A) which
   (B) which were
   (C) if
    (D) how were

    Jawaban: (B)

9. The National Institute of Dental Research estimates _____ in fluoridated areas have about 25 percent less tooth decay than children elsewhere.
    (A) for school children
    (B) school children’s
    (C) that school children
    (D) that for school children

    Jawaban: (C)

10. The process of photosynthesis explains how ____ able to use the energy in sunlight to manufacture foods from the simple chemicals in air and water.
     (A) green plants
     (B) green plants are
    (C) planting greens
    (D) with green plants are

    Jawaban: (C)