. The glass doors have taken the place of the wooden ones at the entrance, ________ in the natural light during the day.
This book is well worth _______. Would you like to buy one?
I have bought two ball pens , _______ writes well.
------Why do you turn back? ------ Oh, the bridge ahead_______.
People in the west make_______ a rule to buy Christmas presents for their relatives and friends.
I remember everything ______it had happened yesterday.