He used _______ on the right in China, but he soon got used ______ on the left in England.
Cucumber contains a high content of vitamin C which is five times higher than _____of watermelon.
Population experts say that by 2050 the world will have about 2 billion people aged over 60,____as today.
In remote mountainous villages in China, it is not ______ to find families with men wearing thick moustache, shabby clothes and worn shoes, chewing tobaccos and with porridge as their main daily food.
In an amusement park you can ______yourself with a variety of facilities, ranging from trolley buses to roller coasters.
She _____ what had happened in a low voice for fear ________ she said might be overheard by others