I have been living in the United States for 20 years, but seldom ________ so lonely as now.
Well, we have been waiting here_____for the guest.
—— Aren’t you be chairman? —— No, and I _____.
—— What do you think made the girl so glad? —— _____ a beautiful necklace.
——Do you think Jack is going to watch a football match this weekend? —— _____.
Tom wanted to play football with his friends in the street, but his father told him_____.