He likes to others, which makes them unhappy.[ ]

The two people speak different languages and can not communicate with each other well.—Oh，I see. That’s ________ misunderstanding occurs.

ery Monday morning, all the teachersand students in our school stand at ____ as our national flag is raised.

Please tell me _____ last year

On the celebration of the university’s 100th birthday, he said, “I have never experienced __________ time here as a graduate of Tsinghua University.”