We have a Computer lesson _______ every Friday.
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.