Напишите существительные, выделенные скобками, в единственном числе, сделав, где необходимо, соответствующие изменения в предложении:1. (Women) and (children) sat on the shore 2. The (keys) in the (boxes) were it 3. The (wolves) have been shot 4. The (mice) were caught. 5. These (factories) produce furniture. 6. (Copies) of these letters will be sent to Leningrad 7. The (cargoes) will be discharged tomorrow. ​