It is the first time that I _______ thiskind of tasty moon cake.

I want to know if your sister will go to the movie.— If your sister , so .

If you want to buy an expensive camera, we have several models for you ________.

You have to wear a helmet and a life jacket for protection, just ____ you fall into the water

A number of children ________ parents had died in the quake were sent to live with families in other cities.