题目

选词填空    in   make  on    practise    something     1. I _______some tea  and  start work at  6.   2. I often ________juggling.   3. I am interested_______ what’s around me.   4. I’m working _______a new kind of picture  frame  at  the moment.  5. I do_________ different to help me relax. 答案：1．make 2. practise   3. in  4. on  5. something已知＋|b＋2|=0，则ba=_______．