CHOOSE A, B, C, D TO COMPLETE THE FOLLOWING SENTENCE
38.Choose A, B, C, D to complete the following sentence:
Coal, oil, gas…. are _____________resources.
A. nature
B. natural
C. naturally
D. unnaturally
38.Choose A, B, C, D to complete the following sentence:
Coal, oil, gas…. are _____________resources.
A. nature
B. natural
C. naturally
D. unnaturally