Woodisoften_________paper.
A、usedtomakingAtthismomentthebellrang,________theendofclass.
Youlooknotabitolderthanyoudid5yearsago.Howdoyou__________soyoung?
The world ’ s smallest baby, a __________ girl weighed just 24 grams when she was born .
__________ twenty-fifth of December is __________Christmas Day.
You look not a bit older than you did 5 years ago. How do you __________so young?
