"They" in "to talk to schoolchildren about what they do" (paragraph 7) may refer to... 1. ...schoolchildren. 2. ...careers. 3. ...experiments. 4. ...scientists.
Средний уровеньЧисло
"They" in "to talk to schoolchildren about what they do" (paragraph 7) may refer to... 1. ...schoolchildren. 2. ...careers. 3. ...experiments. 4. ...scientists.