—I wonder ________?
—I’m not sure. Let’s ask Miss Li for help.
which subject should we choose
what we can do with the rest materials
that Bob went to the library just now
He is______older than you.
There are seven_______people in Hongkong. A. million B. million of C millions D millions of
_______is the population____the USA?
In autumn it will______cool.
My mother goes shopping,______I must look after my little brother.