Just like weather, life ______ be beautiful all the time.
Lily turned off the lights and then __the classroom.
His parents ____ coming to meet the teacher tonight. A. are B. were C. is
Miss Lee ___the children an English song when I saw her. A. is teaching B. was teaching C. taught
—Must I hand in the weather report this morning? --No, you__. A. mustn't B. needn't C. may not
The teacher will be backan hour. A. in B. after C. on