It is very kind _______ you to help me withmy housework. It is hard _____me to do allthe work.

The children left without ________ “Goodbye”.

I wonder why he has been acting sostrangely these days—Recent pressure at work may ____ hisbehavior

It was not until he told me the news ________ I learned that Tom had won the prize in the 16th Asian Games. [ ]

e photos in the report are provided by the Students ’ Union, unless otherwise______.