A. had gone - could we be
C. had gone - were we be
Đáp án đúng là: A
Hydro and nuclear power are renewable and__________. They can generate a great deal of energy.
A. becoming more and more popular
B. among the deep-rooted traditions
C. The earliest fish and chip shop opened in London during the 1860s.
D. People in different places may add peas, vinegar, lemon, or ketchup.