Many argue that the world will never make the switch to cleaner forms of energy ________ easily obtainable oil sources remain.
Câu hỏi
Nhận biếtMany 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
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Education in many countries is compulsory________the age of 16.
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As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
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Tom: "___________________ "
Mike: "I won't say no!" -
We all agree that she is____________________ student in our class.
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Standing on the tip of the cape,____________________ .
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__________ John Kennedy was elected president, he was the youngest American President ever.
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He_______________us but he was short of money at the time.
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Michael looked deeply hurt and surprised when_____________________ .
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Long ago, women were_________to vote in political elections.