Computers ... very efficient, a) is b) are с) am Peter ... very hard-working, a) to be b) is c) are Banks ... open till six o'clock, a) am b) is c) are They ... in the house right now. They are in the library. a) are b) aren't c) is not I ... a student. I am an engineer, a) am b) is c) am not

Computers are very efficient, Peter is very hard-working, Banks are open till six o'clock, They are in the house right now. They are in the library. I am not a student. I am an engineer