(1) Group "Der/Ein"
Apfel, Schokoriegel, CD-Player, Walkman, Kuchen, Apfelsaft
(2) Group "Das/Ein"
Fahrrad, Mineralwasser, Brötchen, Computerspiel, Comicheft, Pausenbrot
(3) Group "Die/Eine"
Banane, Limonade, CD, Birne, Kamera, Orange,
Ihr- seid
Sie-Sind
.............
The Wright brothers made the first plane
Answer:
1 The computer scientists check the database for viruses
2 Nanotechnology is difficult to understand
3 The geologists study the structure and formation of the earth.
4 One is concerned with the question of whether cloning is ethica
5 In the past few years genetic researchers have made incredible strides
6 An international research team is planning a trip to Mars