The conference aims to develop business and let people think about _____ they can have apositive influence on the planet．

32一William has asked me to lend him five pounds．Should I do him the favor and lend it to him?—Certainly，otherwise he________to borrow it from me

It has been pointed out ________ plays a vital role in driving away one’s anxiety is one’s sweet childhood memories.

14．Jim insisted that the book MrBlack referred to ________

___________________classmates are kind to her.