问题补充:
the girl was too selfish and never thought of others, she wasn’t getting on well with her classmates.
A. Though
B. Unless
C. Since
D. Until
答案:
A. Though
B. Unless
(答案→)C. Since
D. Until
解析:考查连词:A. Though虽然,B. Unless除非,C. Since自从,既然,D. Until直到,句意:既然这个女孩太自私了,从不想到别人,她和同学相处不好。选C。