Question

Here is _________  for you _________  a waiter.

1. A.
   works; for
2. B.
   a work; as
3. C.
   job; of
4. D.
   a job; as

Answer 1

D
work是不可数名词，前面不用不定冠词；job是可数名词，可用不定冠词，排除A、B两项；as“作为”。故选D。