There are about _______ students in their school now..
A．hundred of B．nine hundred C．nine hundreds D．nine hundreds of
The nature reserve is a good place _______ wild animals ____ live ___.
A．to, to, at B．for, to, with C．for, to, in D．to,for,in
They are very grateful _______ us _______ them so much help.
A．to, to give B．of, to give C．for, give D．to, for giving
---It's a pity that Jerry didn't go to yesterday's meeting.
---Yes, he missed a good ______of being the chairperson of the Students' Union.
A．chance B．choice C．decision D．conclusion
Though it was very late, they __________their discussion.
A．continued with B．went on C．continued on D．carried on with
----I am going to Qingdao and stay there for a week.
----______ you are there, would you please buy some books for me?
A．If B．While C．Since D．As soon as
