---- _________ do you help your mother cook?
---- Once a week.
A. How long B. How C. How often
--Could you tell us ________? ---About two months.
| A．how often are we going to be away | B．where shall we go next month |
| C．where we shall go next month | D．how long we are going to be away |
Find a partner to practice English_______.
| A．\ | B．for | C．to | D．with |
---Mr. Black, I find ______ difficult to play the piano well.
---Oh, I think you just need to practice more
| A．it | B．it is | C．this | D．that |
He is too tired ______ any more.
| A．not to walk | B．to walk | C．walking | D．not walking |
____his surprise, he passed the exam.
| A．On | B．In | C．To | D．At |