1) While electric cars eliminate auto pollution, limited power of the car's battery is a serious problem.
2) Having hoped to be first i line when they opened the doors, we arrived an hour early for the concert.
3) Nobody seems to know to add or subtract without his or her pocket calculator any more.
4) He may be released soon as there exists no proof of his guilty.
2) Having hoped to be first i line when they opened the doors, we arrived an hour early for the concert.
3) Nobody seems to know to add or subtract without his or her pocket calculator any more.
4) He may be released soon as there exists no proof of his guilty.
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