It is the first time that I ______ this kind of moon cake.
It’s uncertain ____ the fashion show will be held next week.
Some policemen were sent there to ________ the villagers ________ the trees.
______ the kids have left home , we’ve got a lot of extra space.
The news _____ the spaceship succeeded in returning to the earth spread everywhere.
Kate asked the girl to ________ so that she could hear what her husband said on the phone.