E-books E-books (1) ... (2) ... a few decades but recently they (3) ... more popular with
readers. The first e-books (4) ... technical
manuals or specialized documents that only
a few people (5) ... interested in. In recent
years, novelists (6) ... their books online and
the contents of some of the best libraries
in the world are now in cyber archives. A
few years (7) companies like Sony and
Amazon (8) ... e-readers to make it easier for
people to read e-books.
1 a) existed
b) have existed
c) has existed
2 a) ago
b) for
c) since
3 a) have become
b) have became
c) became
4 a) was
b) have been
c) were
5 a) was
b) have been
c) were
6 a) published
b) have published
c) has published
7 a) just
b) since
c) ago
8 a) invented
b) have invented
c) have invent
2. Yes, its the longest book I have ever read.
3. Yes, its the best opera I have ever heard.
4. Yes its the most difficult article I have translated.
5. Yes, its the funniest film I have ever seen.
6. Yes, Uncle Jack its the kindest man I have ever known.
7. Yes, its the most exciting trip I have ever had.
8. Yes, its the most expensivest record I have ever bought.
9. Yes, Mary is the tallest girl I have ever met.
10. Yes, its the hardest test I have ever done.