Since people are fond of humor,it is as welcome in conversation as ________ else.(2011·浙江,7)
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.
World war I ___in 1937.