Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Trả lời câu hỏi dưới đây:Many argue that the world will never make the switch to cleaner forms of energy __________ easily obtainable oil sources remain.
Câu hỏi
Nhận biếtMark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Trả lời câu hỏi dưới đây:
Many argue that the world will never make the switch to cleaner forms of energy __________ easily obtainable oil sources remain.
Đáp án đúng: D
Lời giải của Luyện Tập 365
A. giả sử
B. giả sử
C. nếu như không
D. miễn là
A. giả sử
B. giả sử
C. nếu như không
D. miễn là
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