Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Factories located  on the coastlines have  released untreated pollution  directly  into the ocean. 
A.located
B.have
C.pollution
D.directly

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Ants were the first group of eusocial predatory insects that both lived and foraged primarily in the soil and in rotting vegetation on the ground.
A.eusocial predatory insects
B.both
C.primarily
D.vegetation

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
There are many frequently mentioned reasons why one out of four arrests involve a juvenile.
A.frequently
B.involve
C.four arrests
D.mentioned

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
There are a number of updated entrances in the latest edition of the encyclopedia.
A.are
B.entrances
C.the
D.of

I think those bright pants will ___________ your new shoes.
A.suit
B.fit
C.effect
D.match

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
For centuries, musics have played acoustical guitars, which produce sound from the vibration of the strings.
A.musics
B.which
C.sound
D.vibration

II. Circle the correct answer, A, B, C or D.
Titov island in Ha Long Bay was named _____ a Russian cosmonaut, GhermannTitov.
A.for                          
B.with                                    
C.after                                    
D.by

II. Circle the correct answer, A, B, C or D.
Your bike is 3 times ______ than mine.
A.fast                         
B.more fast
C.faster                                  
D.the fastest

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Buying clothes are often a very time-consuming practice because those clothes that a person likes are rarely the one that fit him or her.
A.are
B.a very time-consuming
C.because
D.are rarely the one

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
No cactus has flowers most beautiful or fragrant than those of the night blooming cereus.
A.No
B.most beautiful
C.fragrant
D.those