1. The keys ______ already
c) have been found
2. The book ______ twenty years ago
b) was written
3. The first stamp _____ in England in 1837
c) was invented
4. Red Square ______ by millions of tourists next year.
d) will be visited
5. Every year thousands of presents ________ before New Year.
b) are sold
Progress, America, writer, poverty, help, capitalist, youth, growth, centre, builder, importance, commerce
ann and carl have two brothers
ann has one sister
bob has not a brother
bob and carl have not sisters
bob and carl have six cousins
ann has not a cousin