In face of ______ failure, we should keep up ______ good state of mind instead of being distressed.
It was in the street ______ I live that I met Mr. Green.
Was it in this hospital _______ she lived for ten years ______ she was trained to be a real nurse.
It was only when the war broke out ______ he began to realize everything was too late.
It was ten years ago ______ we last met in our hometown.
---- Mike, you clean the windows of the classroom this afternoon,_______? ---- But I cleaned them only yesterday.