Sheparked her car outside the window _______, but the next morning she found itmissing.

I failed my driving test again.— Don’t be discouraged. You’ll be successful ________.

Let’s go to Wal-Mart to do some shopping this evening.– I need to buy some food and drinks for tomorrow’s party.

________ you need something, please don’t hesitate to let me know

下列各句中，没有语病的一句是（　　）