Experiments of this kind ______in both the U. S. and Europe well before the Second World War.
With a final conclusion _____, the meeting ended at 4:30 p.m. last Monday.
Take care! Don’t drop the ink on your shirt, for it __ easily.
Legend has ______ Sun Wu was buried here.
.Not until the third day after the terrible earthquake ______ a phone call from his mother.
.Since you are here, you ____ as well stay here for long.