Can I have ________ pieces of bread — Sorry, there’s __________ left.

You never know you need it _______you lose it.

Much attention should be paid ____ people’s living conditions[ ]

Our bodies are strengthened by taking exercise_______,our minds are developed by learning (内江市)

Good morning，Doctor Brown’s office.—Hello, this is Tom SmithCould you please tell Doctor Brown I ____? My car____start