Our teachers are very strict ______ us in class, but they are kind _____ everyone after class.
Gone are the days when Chinese people were ______. China is more powerful than ever.
— Did you go to the cinema last night? — Well, I had _______ to, but it was raining too hard.
_______, I must say my spoken English is not very good, so I hope you can speak slowly. In the second place, I’m not familiar with the topic.
— How shall I ______ my health? — Do more sports in your spare time, of course.
The boy _______ that he would return to the hometown after graduation from university.