_____, experts point out that students can easily fail at starting their business because of a lack of preparations.
“Goodbye, John. I am glad to ___ your sister.”
The man ___ my mother talked just now is a friend of mine.
It was very cold, so we __ the fire__ all the time/
Won’t you have ___ more rice?
Last night I met Mr. White , ___ used to be my maths teacher.