Answer:
Er zieht sich seine Schuhe schnell aus.
Explanation:
same as he takes off his shoes
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
The Wright brothers made the first plane