--What __________ the number of students in your school? --More than 2,000. And a number of them __________ listening to English songs.
----Must they clean the classroom now? ----No, they ______.
It’s nice to go a walk a spring evening.
— Is there any ______ on the table? — Yes, only a little.
Jack often _____ music after class.
— I’m going to Guilin with my parents this holiday. — !