When do you think ______ start the new attack?
We will keep you _____ of our progress and look forward to hearing from you..
Don’t blame him too much! _______, he is a child of 5.
It ____ that all the students were having lessons in the teaching buildings when the earthquake occurred.
I’d prefer ______ in the office rather than _____ at home watching TV.
--Have you ever come to Anhui before?--No. It is the first time that I ______ here.