Write so, such, such a(n) in the gaps in these sentences
1. " We have ..... huge problem of bad eating habits in the United States that teaching about food cannot be left to parents, " she says. " ..... many children generally are eating fast, cheap, easy food that sth has to be done. "
2. Teo has been in the US for only three years, but his teachers say he has learned to speak perfect English in ..... short time because he is ...... happy at school
3. " But eating ..... good food .... makes them care about what they eat.. "
