42. Please don’t play you music so loudly.

Would you mind turning down your music?
43. Don’t let me forget to phone my sister.

Remind me to phone my sister.
44. My father said I could use his car.

My father allowed me to use his car.
45. I’m always nervous when travelling by air.

Travelling by air always makes me nervous.
46. Don’t stop him doing what he wants.

Let him do what he wants.
47. The doctor said I should avoid smoking.

The doctor advised me to avoid smoking.
48. The car is too expensive for her to buy.

She can't afford to buy the car.
49. Will you please open the window?

Would you mind opening the window?
50. Why don’t we wait for the bus?

He suggested waiting for the bus.