—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
He is not easy-going, but his trust in his friends will last forever once _______.
The company has been _______ of President(总裁) Smith for 20 years and who will _______ it after his retirement?
On the hill _______ a tower as well as two temples.
_______ at the amazing scenery in Shangri-la, she could hardly believe that it is created by nature.
— If my sister goes to watch the singing competition named “I am a singer” next time, _______. The competition is well organized.— _______.