----Is this the first time you ________ to Harbin?---- No, but the first time I ____ here, the city wasn’t so beautiful.
It was _______ she was injured in the accident _______ she didn’t come to the party yesterday.
— What field will your son go into after graduation? — I’m not sure, but he ______ a good teacher of English.
— You could have asked Mr. Richard for help. He’s kind-hearted. — Yes. But that _______ him a whole day.
Although you have learned much knowledge and a lot of theories, the problem is _______ can be put into practice.
If you have the chance to take charge of the department, the first thing to do is to find out what _______ of you.