2. Choose the word whose main stress pattern is not the same as that of others:
15a machine
b. mobile
c. movie
d. theater
16. a. direct
b telephone
c. invention
d. experiment
17. a. arrange
b. efect
C.visit
d. device
18. a. celebrate
b. documentary c. celebration
d. engineer
19 a. furniture
b. religious
c. velhicle
d. hospital
15A
16B
17C
18A
19B
câu 18:
'celebrate
docu'mentary
cele'bration
engi'neer
vậy nên A nha:)