Question

The TV set is too loud. Will you please ______?

1. A.
   turn down it
2. B.
   turn it down
3. C.
   to turn it down
4. D.
   to turn down it

Answer 1

B
在英语中，当动词短语中含有代词时，代词必须置于动词之后，介词或副词之前，如put it on, take them off等。又由上文的意思，故B项是正确答案。