People are advised to be _____ towards the health concerns of their dear ones while burning firecrackers to celebrate the festival, for they contain harmful chemicals．

Is this the homework you need to hand in today——Oh, yes, Mom. I thought I had put ______ in my schoolbag. Thank vou.

______get to the compariy on time,we set out early in the morning[ ]

I_________that he is an excellent leader,I don’tthink he can do a good job in this company because he is too careless

He is ______ is known as a hacker —- he likes to show off on the Internet and attack websites