---Did you remember to give Mary the money you owed to her?--- Yes, I gave it to her ____ I saw her. A while B the moment C suddenly D once
Their relationship,______ on years of open communication with each other,will last.
I’d like to start my own business — that’s _____ I’d do if I had the money.
I’m the first girl ________college in our village,which makes my parents very proud.
Now that the children have___, we should let them free to choose their style of living.
Our duty is to ______ their country against both domestic and foreign enemies’ attack.