How many times have you ________ to Shanghai ?
If you are an Englishman, you may say “________________”
My mother was waiting for me patiently _______ I was having my breakfast,.
If there _____no buying and selling of a nimals, there___ no killing in nature.
--I don’t know if his uncle ________.--- I think he ________ if it doesn’t rain .
It was not very warm ______ the sun came out.