1 Nowadays, albums are released
on CDs.
2 The CD was developed in the 1980s.
3 CDs are used to store music or computer software.
4 CDs are made from plastic and aluminum.
5 Billions of CDs have been sold in the last twenty years.
6 Maybe one day all music will be downloaded from the Internet.
7 But probably CDs will be bought for a few years to come.
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1 Three languages are spoken by them in Switzerland.
2 The FIFA World Cup was once stolen by thieves.
3 Penicillin was discovered by Alexander Fleming.
4 Everest has been climbed by about 1,500 people.
5 The Nobel Peace Prize is awarded by them every year.
6 Water on Mars has been discovered by them.