she is not so healthy she used to be?
I still find the story Tom told us is very interesting but _____.
_______ the secret of nature, the young scientist has little time for entertainment.
—Was it under the tree ______ you went away talking to a friend? —Sure. But when I got back there, the bike was gone.
In my home breakfast is ______ at 7 o’clock, which has ______ unchanged for 20 years.
To the people’s surprise, the number of deaths ________ the war ________ still rising.