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.
Question 43: The introduction of the new species of plants into PhuQuoc island offer an opportunity to study the response of a natural system to stress.
A. new species B. plants C. offer D. response
Question 44: A big wedding requires a lot of preparation, such as sending invitations, hiring costumes and choose dishes.
A. requires B. preparation C. sending invitations D. choose
Question 45: Thanks to artificial intelligence, the phone's voice-recognition system converts the sound into numerous data.
A. Thanks to B. voice-recognition C. converts D. numerous