1  The plane is   in the sky. Look! How fast it   . (fly)
 2  The student   very hard. Now he is   in the classroom. (work, study)
 3  What are the students   now? They are   their lessons. (do, review)
 4  Mr. Smith is   . Shall I   some food and drink? (come, prepare)
 5  Lily likes   very much. Now she is   a novel in the library. (read)
 6  It  very often here in winter. Look, big snowflakes are  again. (snow, fall)
 7  What are they about in the office? They have  for too long a time. (talk)
 8  I'm not good at in English. Will you please  me in writing the letter? (write, help)