1.I've nothing to（）.could you give me a piece of paper?
A.write down B.write on
C.writing D.write
2.I can't understand it.would you please descride it（）?
A.in general B.in other words
C.in short D.in feeling
3.put the knife （）the children's reach ,or there may be danger.
A.throughout B.beyond
C.in D.from