ПОСТАВЬТЕ СУЩЕСТВИТЕЛЬНОЕ В НУЖНУЮ ФОРМУ.
1. I met some interesting _______ at the meeting last night. (man)

2. I need some ______ to light the fire. (match)

3. The baby got two new _______. (tooth)

4. The farmer loaded his cart with ______ of fresh vegetables to take to market. His cart was pulled by two ______. (box, ox)

5. Alex saw some ______running across the floor. (mouse)

6. The north side of the island has no _____. There are only steep _____. No one can climb these steep walks of rock. (beach, cliff)

7. If a houseplant is given too much water, its lower _____ turn yellow. (leaf)

8. Before Marie signed the contract, she talked to two _________. (attorney)

9. New scientific ________ are made every day in _______ throughout the world. (discovery, laboratory)

10. I caught several ______ in the lake. (fish)

11. On our trip in the mountainous countryside, we saw some ______, ______, ______, and wild ______. (wolf, fox, deer, sheep)

12. When we spoke in the cave, we could hear ______ of our voices. (echo)

13. The music building at the university has 27 ________. Students need to sign up for practice times. (piano)

14. Thunder and lightning are ______ of nature. (phenomenon)

15. People get most of their news about the world through the mass ______, that is, through radio, television, the Internet, newspapers, and magazines. (medium)

11-вначале идут домашние животные, потом-дикие. 12echoes

The plural of echo can be either echos or echoes. Unfortunately, there is no clever way of knowing which nouns ending o follow which rules. Though echos and echoes are both accepted plurals, echoes is by far the more common of the two

men matches teeth boxes oxen mice beaches cliffs leaves attorneys discoveries laboratories fish wolves foxes deer sheep echos pianos phenomena media

1men2matches3teeth4boxes, oxen5mice6beaches,cliffs7leaves8attorneys9discoveries, laboratories10fish11deer,sheep,    wolves,, foxes.12echoes13pianos14phenomena15media