The bargain they reached with their employers was to reduce their wage demand and accept a shorterworking week______.[ ]

下列各句中，没有语病、句意明确的一句是（ ）

What you do if you won dollars

the accident happened? — It’s said to happen on his way to work

Helen, can I wear jeans and a T-shirt to the evening party—OK. But a dress might be ______ better.