1 without the air to hold some of the sun's heat ,the earth at night _(__A_)_,too cold for us to live

1 without the air to hold some of the sun's heat ,the earth at night _(__A_)_,too cold for us to live
A would be freezing cold B will be freezing coldly
C would be frozen cold D can freeze coldly
A 选项的freezing cold
2______be sent to work here
A who do you suggest B who do you suggest that should
但B 选项为什么不可以呢