He has no idea _________ she left without a word.
. There’s a feeling in me ________ we’ll never know what a UFO is – not ever/never.
. The theory is of great important ________ the hotter a body is, the more it radiates.
. Evidence came up ________ specific speech sounds are recognized by babies as young as months old.
. Information has been put forward ________ more middle school graduates will be admitted to universities.
. A story goes ________ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at court.