John couldn’t finish his words ______ something had struck his throat.

(2013·甘肃兰州名校高三检测)The professor told me to start the research right now, ________ I was sure to fall behind

Chinese people really like __________ on Spring Festival. They’re our traditional (传统的) food.

is widely acknowledged thatthere is life, there is hope

Since the present situation is very complex, I think it will take me some time to _____ its reality.