The current time differs from the previous one: here is ruled by technology and product is information. no wonder they say that the 21st century is the century of information technology. what only recently seemed new and unknown, it is now irrelevant. we conquer space not in the near-earth space, and sent their research mini-station on mars, is the exploration of saturn, jupiter, and titan. once this can only be read in science fiction books. for example, the ideas of the novels of jules verne, such as a submarine, became a reality in the 20th century. the time has come to realize the most daring fantasies of modernity. man explores the ocean floor with the help of sophisticated equipment and online mode it can be observed by millions of internet users. the global wide web has become a comprehensive space, which united all and all.
1 Peter has forgotten to take his wallet with him. It's on the table.
2 They have not done all their exams. They have two more tomorrow.
3 Sarah's feeling a bit lonely. Her best friend has moved to France.
4 I don't know if Rob's coming. He has not replied to my invitation.
5 The neighbors have borrowed our ladder. I hope they return it soon.
6 I think I have left my umbrella at work. I can't find it anywhere.
7 You can't go to the bank. It has not stopped raining.
8 Dinner's ready. I have made some lasagne.