—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
I’m looking forward________you again.
They were________their invention.They thought they could invent more things to make our life easier.
Thank you for helping me a lot.I am________to you.
The students are full of energy.They are thirsty ________knowledge.
—Excuse me,can you tell me________? —Sorry,I don’t know.You can go to the information desk.