are you hearing me
i'm standing on the great wall of China?
who are you talking to?
we are often having a good tiem in summer.
tong is eating on ice cream.
wang hui are not taking lots of photos.
ling ling is buying lots of presents and postcards.
are you sending e-mail to your friend?
we are not writing postcards/
is ling ling eating lunch now?
they are not enjoying their school trip.
最后句你题目是不是写错了?
wang hui is lying in the sun and eating lunch.