1I think it is very important( )children ( ）careful with fir

1I think it is very important( )children ( ）careful with fire
A for,to be B of,be C to,to D with,for
2You 've never seen such a wnderful film before,(
A haven't you B have you C do you D don't you
3Where's peter?--He ( ）to Hainan.
A is going B has been C has gone D went
4Don‘t worry ,sir.I 'm sure I can run（ ）to catch up with them
A enough slowly B slowly enough C enough fast D fast enough
5 Which is （ ）season in Beijing?--I think it’s autumn
A good B better C best D the best
6You look stressed out
--Yeah,too（ ）work makes me tired
A little B many C much D few