Helen ________with anger when she saw a fly in her soup.
____ to teaching, as we know, contributes to his popularity with his students.
It does not matter that you are a slow walker _____ you never walk backwards.
President Xi appeared in Zhongshan suit in Dutch, ____ displayed the leader's national pride and confidence
Since the sales promotion, all the items _______well.
The waste water, when _______,should be clean enough to meet standards.