This is my own restaurant. You can come to eat here ____ you like. 

We see the lightning ____ it happens, but we hear the thunder later.

Qingming Day is also a day ____ people whose parents are dead visit the cemetery.

The beautiful mountain village  ___  we spent our holiday last year is located in _ _  is now part of Guangxi.   

Not only_______ the food in the restaurant, he______ to pay for it.