The way ______ was thought of by him ______ the experiment was similar to the way _____ you carried it out.
----Why did you go back to the shop? -----I left my friend _____there.
I advise you to give up smoking for it is _____to your health.
I don’t doubt _____he will come next week.
When the thief found the police had already _____him, he ran away quickly.
Tom’s father didn’t _____him to join the school football team.