( ) 19.Without the air to hold some of ...

问题描述:

( ) 19.Without the air to hold some of ...
( ) 19.Without the air to hold some of the sun's heat,the earth at night ___ ,too cold for us to live.
A.would be freezing cold B.will be freezing coldly
C.would be frozen coldly D.can freeze coldly
Please explain B & C

B
一个表示主动,一个为被动~
和Interesting和intersted的区别是一样的