1) much, many, much, much, much, many, many
2) Ukrainians
Americans
Japanese
germans
spaniards
3)
the USA, the Atlantic Ocean, the Pyramids, the Acropolis, the sun
4) He has returned from Canada.
We haven’t booked the tickets.
Have you travelled by ship?
Ann has read this book.
5) 1-a
2-c
3-b
4-a
5-a
6-a