This is a accident．Ten people are hurt ．

He stood there dumfounded without daring _______ his head as a consequence of his wrong action. [ ]

下列各词中，没有语病的一句是（ ）

The old store enjoys a good reputation in this area.—Can’t agree more. There are very few, ________， complaints about their service.

Plants _________carbon dioxide and at the same time _________oxygen. So we may put some in our bedrooms to purify the air.