People in the west make_______ a rule to buy Christmas presents for their relatives and friends.  

 ------Why do you turn back?

------ Oh, the bridge ahead_______.   

I have bought two ball pens , _______ writes well.

This book is well worth _______. Would you like to buy one?

 Her ________ look suggested that she was very _______ with the answer.

 The little boy is dirty from head to foot because he ___ in the mud all morning.        

______________ with the sun, the earth is not big at all.

With the boy______ the way, we had no diffaculty ______the village.

------Sleep well last night?

------Far from that! My next-door neighbor      music pretty loud.

Only __________ one loses freedom __________know its value．