Professor Harris is unable to attend the lecture on nutrition to which she was invited last week.
Professor Harris is unable to attend the lecture on nutrition which she was invited to last week.
This is the pen w___ w______ I wrote the letter.
with which
There’s a podcast on teenagers’ health which you should really listen to.
There’s a podcast on teenagers’ health to which you should really listen.
We have just received a delivery of medical supplies for which payment is required.
We have just received a delivery of medical supplies which payment is required for.
Joanna is the person who I'm angry with.
Joanna is the person with whom I'm angry.
Do you remember Samia, the medical student who I introduced you to at the party?
Do you remember Samia, the medical student to whom I introduced you at the party?
Patients should not become close to counselors. They might become dependent on them.
Patients should not become close to counselors on whom they might become dependent.
The restaurant which they had an argument in plans to ban them forever.
The restaurant in which they had an argument plans to ban them forever.
I have many things f___ w______ I'm thankful.
for which
Do you know a good physical therapist which I can go to?
Do you know a good physical therapist to which I can go?
His new book is on a new treatment for asthma, for which there is currently no cure.
His new book is on a new treatment for asthma, which there is currently no cure for.
Is this the book which you're talking about?
Is this the book about which you're talking?