MY SCHOOL BAG IS BIG. HERS IS BIGGER.  MY SCHOOL BAG ………. 20 DA....

20. My school bag is big. Hers is bigger.  My school bag ………. 20 DA. not as big as hers B. is as big as her C. as big as hers. D. isn’t as big as hers.21 The teacher asked his students ………..him and ……….in class. 21 CA. listen to /don’t talk B. to listen to /not talk C. to listen to / not to talk D. to listen to / don’t to talk