Choose A, B, C, or D that best completes eac...
Câu hỏi: Choose A, B, C, or D that best completes each sentence. Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse _______.
A. causes
B. effect
C. gas
D. damage
Câu hỏi trên thuộc đề trắc nghiệm
Kiểm Tra - Unit 6 !!