I. Перепишите следующие предложения и переведите их на русский язык. Определите в каждом из них видовременную форму и залог глагола.
1. The updated version of a new computer program has been released this week.
2. This meeting is attended by some famous scientists every year.
3. A great number of gadgets is used by people nowadays.
4. Several branch offices have been opened by this company throughout the country this year.