单选题
The nurse is very fired, ______ she is still working very hard.
A、
[A] and
B、
[B] but
C、
[C] so
【正确答案】
B
【答案解析】
[解析] 由前半句和后半句句意可知，此处应填一个表转折的词。
提交答案
关闭