It is not yet known how these huge stones were conveyed a distance of 380 kilometres 3 000 years ago.
Aunt LI has arrived.Do you expect __ to pay her a visit?
He hasn't decided __ to London.
In many ways, riding on a bike is simliar to ___.
We did the job as fast as we could, ___ to finish it earlier.
We had better not __ them busy all day long.