问

Feel free to ask if you have any questions.

I'm not sure, but I will ask around.

He rang the hospital to enquire how the old man was.

Ask if he is free tomorrow.

ask/enquire about the time of a train

ask the price

ask the teacher a question

He asked after you in his letter.

find out the details of the case; go to the bottom of the matter

You'll be held responsible if anything goes wrong.

You needn't bother about this.

take up a matter personally

consult a doctor

Whom should he turn to for advice?

go and borrow some money from her; turn to her for some money

ask the teacher for the answer

letter; correspondence