小学英语题！帮帮忙！！

Write sentences using the listed words and the word ‘when’.

a__________________________________

I/meet young peopie/wave and say"Hello''

b___________________________________

I/meet older people/shake hands

c_____________________________________

I/line up/wait for the bus

d_____________________________________

I/not push or run/get on the bus

e____________________________________

my parents/not at home/I/take messages

a. when I meet young people I wave my hands and say "Hello".

b.when I meet older people I shake hands .

C. when I waitting for the bus ,I line up.

d.when I getting on the bus ,I do not push or run.

e.I take messages, when my parents not at home.