What ______ us most was that the news that the names for the pandas had been chosen was really ______. 

This year the number of the US students ____in China has increased by 18.4percent compared to last year.

I witnessed the gate of the bank _______ open and many men entering it, but I couldn’t make them out in the darkness.

--What do you think made Mary so upset ? ---______  her new bicycle.

—I regret ________ you that your application has not been successful.—Not successful? I performed pretty well in my interview!