Question

I’d like to go to the movies with you, ________, I have too much work to do.

1. A.
   but
2. B.
   otherwise
3. C.
   however
4. D.
   or

Answer 1

C
解析：
根据句意可知，需用表转折的并列连词，however多插在一个句子中间，前后用逗号分开，故排除but。