Circle the letter A, B, C or D to indicate the word d(s) CLOSEST in meaning to the underlined word(s)

Circle the letter A, B, C or D to indicate the word d(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Question 7. Our neighbors took care of our dogs while we were away.
A. looked after.                          B.went over
C. looking forward to.                D. knockdown
 
Question 8. This article is difficult to read. There are many new words.
A. easy.         B. slow.       C. hard.               D. fast
 
Circle A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Question 9. Ba was tired, but he stayed up late watching some clips on the Facebook.
A. easily.            B. early.        C. busily.         D. quickly
 
Question 10. He is good at playing the guitar and singing. He could play this musical instrument when he was 10.
A. excited about.              B. worried about
C. keen ond.                      D. bad at
 
Circle the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
Question 11. I suggest that we to give a presentation about
                                                            A               B                 C 
water and air pollution.
             D
Question 12. When he arrived, I talked on the phone with my
                           A              B             C                                 D
best friend.