– What were you doing when I called you last night?– I ______ my homework and was going to bed.A. did B. had done C. was doing
I don’t know when he _______ tomorrow, when hetomorrow ,I will tell you.
- —Linda, can you come to my party?—.I am free.
The price of this computer is the _____ of the three.
Some scientists believe that there will be more robots inyears.
Jenny is university student,. She likes playing chess after school.