dia actually can playa positive role in＿＿＿consumer issues in some new areas, such as e-commerce and online finance services, which aren’t fully covered by current laws.

u mind if I smoke here in theliving room— Well, if you ___. But I’d ratheryou didn’t.

Many of them turned a deaf ear to his advice, ________ they knew it to be valuable

Wind power is an ancient source of energy ____ we may return in the near future.[ ]

ere talking about the new play ____,remember— Yes, I enjoyed it very much.