Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
New ways have to be found to _______ of waste materials and poisonous gases so that we can have cleaner surroundings.
A. deal
B. remove
C. do
D. dispose
Đáp án D
Dispose of sb/sth: giải quyết vấn đề gì