It’s so silly ________ people to buy and store so much salt. It’s necessary ________ them to learn more about salt.
English __in many countries. A. is speaking B. is spoken C. has spoken
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