9 “Do you have any questions ________ clear to you?” the teacher asked

Do you practice how to escape from dangers every term—Of course. Our school pays much attention to the ______ of safety.

I think we should give up the project.—What for You know I have spent a(n) _____ month on it. I won’t give up.

I prefer to work here because salaries arehigher here than ________ in my country.

Xu Zheng’s film Lost in, Thailand is_______ a success that many people are looking forward to his next film.