Hurry up, _______ you can’t catch the first train.

Hurry up, _______ you can’t catch the first train.

1. A.
   and
2. B.
   but
3. C.
   or
4. D.
   so

Hurry up ________ you can’t catch the early bus．

1. A.
   or
2. B.
   and
3. C.
   though
4. D.
   because