. --- I think the waiter has forgotten us. We ________ here for over half an hour! --- I think you’re right. He probably thinks we have already ordered.
My parents are always telling me to leave everything in the study_________.
——How about calling on many _____ volunteer to help those trapped in Yushu county? ——I can't think of ________ better idea.
______percentage of the population died in Yushu Earthquake on April 14?
In front of ______ remained of my old house,I took some pictures,which called up my childhood.
It’s on the festival occasions ______ the family get together______ he misses his father.