1 Ten professors （） the medical team to look into the cause

1 Ten professors （） the medical team to look into the cause of the disease.
A composed B consist of C make up D forms
2 New reports say peace talks between the two countries have broken （） with no agreement reached.
A down B out C in D up
3 ----where is jack?---- well,he （） you () here ,or else he would be here right now
A does not know ,are B had not known ,were
Cdid not know ,were D has not known ,are
4 All of them felt it necessary that they （） the meeting.
A attend B would have attended C attended D were to attend
5 He abused at his classmates ,（） he refused to apologize
A making things worse B what is worse C to begin with D worse still
6 I have not read （） of the articles carefully,but i find that there is a striking similarity between them
A each B either C any D both