22. —Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
_______ several times, he still turned a deaf ear to the typhoon forecast.
My uncle _________ in Taiwan for 20 years. Now he has settled down in mainland.
He claimed _______ in the supermarket when he was doing shopping yesterday.
I _______ up here night after night for weeks now. You see, I _______ to give you a surprise.
— Where did you get to know her?— It was on the farm _______ we worked.