——Did you stay up very late last night?——No,It was not 10 o’clock yet ____I went to bed.
He thought that painting copied by a modern artist was ______ great value and bought it ____ over a thousand dollars.
Let him who tied the bell onto the tiger take it off -- _____ started the trouble should end it.
Social networking is an important factor _______ business success.
During the expedition in the mountains we passed through a place where in a little while we all lost out ______ of direction.
He is free now, so he ______ go with us, but he hasn’t decided yet.