The split between humans and apes is believed by scientists______15 to 20 million years ago.
He got up early, ________ to catch the train.
You must keep the news a secret and don’t put it ______ anybody else.
The man used to ___________ up early had his leg broken.
It’s high time that we _____ home and _____ supper now.
The child came back _______ from a dangerous situation.