Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.
Câu 1: Good scientists always cooperate with each others no matter what their nationalities are.
A. always
B. with
C. others
D. their
Câu 2: Many species of wild animals would become extinction if people continued to cut down forests.
A. many species of
B. would
C. extinction
D. cut down
Câu 3: It is suggested that smoking should to be banned in pubs, restaurants, and other public places.
A. it is suggested
B. smoking
C. should to be
D. other public places
Câu 4: Some bacteria are extremely harmful, but others are regular used in producing foods.
A. some bacteria
B. extremely harmful
C. regular used
D. producing foods
Câu 5: On Saturday, I enjoy to go to the concert with my friends.
A. on
B. to go
C. the concert
D. with
A.
B.
C.
D.