I have a ______ to talk too much when I’m nervous．

When I heard about the marriage of Andy Lau, you could have knocked me down with a _______ .

She has waited for the guest for two hours and reached the ________ of her patience.

Tane is timid. Whenever she sees the mouse or a snake, she loses her ____and screams out.

Most senior high school students are working hard day and night to pass the college entrance examination, gaining ______ to a university.