11. I forgot my coat______ I got very cold.
A. then
B. so
C. later
D. as a result

Soal ini membutuhkan conjunction. Ambil opsi B. sehingga (sebab akibat)
Karena lupa jas jadi saya kedinginan.

12. ______ arrived at the library, he started to work immediately.
A. The student
B. When
C. He
D. After the student

Soal ini 2 klausa. Butuh Conjunction dan subjek.
Ambil opsi D.

13. A spacecraft is freed from friction ________launched into space.
A. it
B. it is
C. after is
D. after it is

Soal ini 2 klausa. Butuh conjunction, subjek dan to be.
Ambil opsi D.

14. _____with their surroundings, or they hide in crevices for protection.
A. Lobsters
B. Lobsters blend
C. Lobsters blending
D. Because lobsters blend

Soal ini 2 klausa. Butuh Subjek dan main verb untuk klausa kiri.
Ambil opsi B.

15. _____a ball-and-socket joint, the elbow is a simple hinge joint.
A. While the shoulder
B. While the shoulder is
C. The shoulder is
D. The shoulder

Soal ini 2 klausa. Butuh conjunction, subjek, dan to be untuk klausa kiri.
Ambil opsi B.

16. A car has several sections with moving parts, _____of those parts is essential.
A. good lubrication
B. well lubricated
C. and good lubrication
D. and well lubricated

Soal ini 2 klausa butuh conjunction dan subjek untuk klausa kanan.
Ambil opsi C. conjunction (and) subjek (good lubrication)

17. Bears cannot see well _____ small eyes.
A. bears have
B. because having
C. because they have
D. because of bears

Soal ini 2 klausa. Butuh conjunction subject dan main verb.
Ambil opsi C. because + they + have

18. _____ at the Isthmus of Panama, so animals were able to migrate between North and South America.
A. A land bridge existed
B. When a land bridge existed
C. A land bridge
D. With a land bridge

Soal ini 2 klausa. Butuh subjek dan main verb untuk klausa kiri.
Ambil opsi A. subjek (A land bridge) main verb (existed).

19. _____ mostly made of granite, it also contains some human-made materials.
A. The Empire State Building
B. The Empire State Building is
C. Although the Empire State Building is
D. Although the Empire State Building is built

Soal ini 2 klausa, butuh conjunction, subjek dan to be. (sudah ada potongan verb made utk klausa kiri)
Ambil opsi C. conjunction (Although) subjek (the Empire State Building) main verb (is)

20. Pressure differences make the eardrum vibrate_____ the ear.
A. enters the sound waves
B. as sound waves
C. sound waves enter
D. as sound waves enter

Soal ini 2 klausa. Butuh conjunction, subject dan main verb.
Ambil opsi D yang berisikan conjunction (as) subject (sound waves) dan main verb (enter)
as sound waves enter the ear (seiring/saat gelombang suara memasuki telinga)