问题

Smile to the world, _______ the world will smile back to you.
A:nor
B:but
C:or
D:and;
B:but
C:or
D:and;
正确答案是:
同类题型
Everybody went to the party, but Li Hong stayed at home _____ her mother was sick
Rod loves clocks.However, he never manages to put them together again. [ ]
Why are youoften dressed in white — Because I thinkwhite can help me_______ when I feel stressed.
What do youthink of my suggestion — I’msorry. Er… I _______ about somethingelse.