Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
BOOKS
Nearly all the discoveries that have been made through the ages can (31) ______ in books. The invention of the book is one of humankind's (32) ______ achievements, the importance of which can not be evaluated . Books are very useful, providing us with both entertainment and information. The production of books began in Ancient Egypt, though not in the form that is accessible to us today.The books read by Romans, (33) ______, have some similarities to the ones we read now. Until the middle of the 15th century, in Europe, all books were written by hand. They (34) ______ often beautifully illustrated and always rare and expensive. With printing came the possibility of cheap, large publication and distribution of book making (35) ______ more widespread and reliable.
Điền vào số (35)