The Britons of the Celtic tribes were the forefathers of the modern（）

The climate of Britain is moderated by the （）and is much milder than that of many places in the same latitude.

The highest mountain in Britain is（）

The largest part of U.K. is （）

The U.K. lies to the （）of France.

The earliest invasion is that by the （）-haired Mediterranean race called the Iberians.

Britain is basically an exporter of（）

The source of the River （）is in the Cotswolds.

Greater London is made up of 12 （）London boroughs and （）Outer London boroughs.

The population of the U.K. consists of the English, the Welsh, the Scottish and the（）