-Though radio and television are ____ popular in the world today, I think the TV is ____ useful.--Of course, on TV we can see and hear what is going on home and abroad.
______ your father a policeman twenty years ago?
---____________?---She was friendly but very strict.
---How many students ______ in your class?---There were 40.
Miss Go was strict _______ her work and she is also strict ______ her students.
Tony is a very ______ boy, so his teachers and classmates all like him.