You must be p____ when you talk to a young child

You must p____ that you won not be late for school again.中间填什么 You must be p____ when you talk to a young child You must be strong . you must be You must be hungry You must be joking You must be confident. You must be dreaming you must be careful If you wantb to studay English well,you must pay attenton to you p____. If you want to study French well,you must pay attention to your p____. look!the girl must be ill.she looks so p____ today You must p____ the window open and enjoy the fresh air. Wh must obey the traffic rules.We can not be h___ by car. you must be ___!(kid) You must be carful next You must be happy oh., you must be joking,救命