Choose the word whose underlined part is pronounced differently

I. Choose the word whose underlined part is pronounced differently.
Question 1.
A. fun
B. sun
C. put
D. run
Question 2.
A. clothes
B. know
C. rock
D. show
II. Choose the word that has a different stressed syllable from the rest.
Question 3.
A. popcorn
B. music
C. concert
D. become
Question 4.
A. convenient
B. renewable
C. amphibious
D. economical
III. Choose the best option (A, B, C or D) to complete each of the following questions.
Question 5. Is this music by his favorite pop ______ ?
A. band
B. song
C. hit
D. violin
Question 6. _________ to play football after school?
A. You will
B. Will you
C. You are going
D. Are you going
Question 7. She is _______ than her brother.
A. more short
B. short
C. short more
D. shorter
Question 8. Would you like to have ________ coffee?
A. some
B. lots of
C. a lot of
D. any
Question 9. Look! Small cars are running under the ______ .
A. aircraft
B. tunnel bus
C. boat
D. train
Question 10. If you see a big bear, you can ______ up a tree.
A. run
B. avoid
C. find
D. climb
Question 11. You _________ eat in the library. That’s the rule.
A. mustn’t
B. shouldn’t
C. must
D. should
Question 12. A good _________ contains a lot of vegetables.
A. diet
B. snack
C. height
D. health
Question 13. Solar energy is not _________ to us because we use it every day.
A. renewable
B. new
C. old
D. safe
Question 14. An amphibious bus can run on water and ______.
A. field
B. land
C. sand
D. sky
Question 15. Work hard _______ you will be poor.
A. but
B. and
C. or
D. because