поставить iменники у форму множини:a girl...?

lessons and he speaks French very well. When the boys know their lessons very well, Mr. Smith gives them good marks. Kim has got an A for his French dictation. That is the highest mark. Sam has got a D for the dictation. That’s the lowest mark. Sam always makes a lot of mistakes in his dictations. The dictation was very long. There were twenty two lines in it. There were a lot of difficult words in the dictation. Kim is glad that he wrote it well. Sam isn’t very happy that he made so many mistakes. надо поставить false или true 1. Mr. Smith is a French teacher.2. Mr. Smith teaches Kim and Sam.3. Mr. Smith always gives the boys good marks.4. Kim has got the lowest mark for the dictation.5. Sam didn’t get the highest mark for the dictation.6. There were twenty two words in the dictation.7. The dictation was difficult.8. Kim isn’t very happy about the dictation.9. Sam never writes dictations well.10. Sam is not glad that he got a bad mark. Задать вопросы к следующим ответам: 1. Yes, I do. 2.Yes, he does. 3. No, I did not. 4. He lives far from school. 5.No, there were not. 6. Yes, I can. 7.I did. 8. I can. 9. The weather is bad. 10. Yes, I have.

A head- heads,a shoulder - ...,a knee - ... ,a toe - ...,a nose - ....,a tooth - ... , an ear - ..., a finger - ...,a foot - ...,a leg - ...,a face - ... .
Это нужно во всех словах добавит букву "s"?