—Look,your father is playing the piano over there.—He________ be my father. He has gone to Beijing.
--I have been working hard at math. However, I can't get good marks in the exam. --Go on studying hard. And I think your dream will
--Why not _______ to London for holidays? --Good idea.
--_______ do you like this book? --I like it because it can remind me _______ my childhood.
The boy _______ Ling Feng in the school is really _______ unusual student.
--Did you finish your homework on time yesterday. --No, I didn't _______ on time. By the time I finished it, all my classmates