—Someone is knocking at the door. Is it Ann?—It ________ be her. She is giving a performance at the theater now.
The new actor was very nervous when he stood on the stage and his heart _________ so fast at that time.
The fox _________ the meat at once and went away, leaving the crow crying.
Yancheng City Ocean Bay held her first Cherry Blossom Festival ________ March 28,2015.
--____________ you give me a hand? The box is too heavy. --- No problem.
While I was walking along the lake, I saw some fish________ out of the water.