----- Come on, please give me some ideas about the project. ---- Sorry . With so much work ___________ my mind , I almost break down.
About ___ of the teahers is our school ___ young people under thirty.
___Mr. Chen is waiting outside to speak to you. He appears to be quite ___ important person.
Suan! Where have you been? You have no idea ___ worried I was !
___ my opinion, Americans eat too much meat.
Most Saturday evenings they cook meals ___ open fire outside.