_____ the diamond, he had to look for a place to hide it.
He will have learned English for eight years by the time he________ from the university next year.
—Have you known each other for long? —Not very long, ________we started to work in the company.
-I didn't do well in physics. -I did you; so we are half and half.
All the others seem to know each other and I began to feel ________.
They climbed to the top of the tower, ________they could see what was happening in the distance.