- Could you do me a favor?- It depends on ______ it is.
I don’t think you will have any difficulty ______ a driving licence.
People who are addicted ______ drugs can not go without them for a few hours.
I will do it myself ______ ask him to do it.
Though she was disabled,she maintained a positive attitude ______ human life.
You did ______ carry my books for me that day.You changed my life.