Ответы во вложениях. Что смогла решила, остальное как нибудь своими силами попробуй
Welcome to a new restorante "Delicious". There are a few types of cuisine in our restorante.It suits all tastes.Also we have unusual dishes that will not leave anyone indifferent.There are live music and karaoke at the weekend evenings. And also there is a disco after midnight for the sleepless youth.We are always welcome and waiting for you from 11 a.m. up to 3 a.m. from Tuesday to Sunday!
Sit down at the computer-Садись за компьютер
due to computer-ис за компьютер
1 - 2) was opened; 2 - 1) had been; 3 - have been working (такой вариант не дан, из данных более подходящий 1)worked); 4 - have been looking after; 5 - 2) want; 6 - 4) will have risen; 7 - 2) will employ
Somebody. потому что в утвердительны предложениях только так.