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
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