.—What do you think made Jenny so happy?—_________ a ticket to the opening ceremony of the 29th Olympic Games.

Thank you _____ visiting our company. We are looking forward to _____ you again.

I came here with your mother ________ to see you.

It ______ quite correct that happiness comes from thinking about things in a positive way.

.. His physical disability makes _____ rather difficult for him to find a good job.