—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
What is your daughter doing now? She is on the phone, ________with one of her schoolmates.
Receiving good treatment, she was beginning to ________ and soon came back to work.
Mary enjoys home-made food, so she seldom, ________, eats out.
I hope you enjoyed the film last night. How on earth do you know I went to a film? I ________ you.
Neither the children nor the teacher________.