29.— Come on, please give us some more explanation about the project.— Oh, sorry. With so much work ______ my mind, I almost break down.
Now more and more workers ______their free time trying to improve themselves at school or college.
一Can I have the document right now? 一Of course.Wait a minute and I ’ll have my secretary it for you.
I’m afraid physics is completely ________me and I have to ask you for help.
You can’t imagine ______ a little boy eats ____ many apples.
—How was your recent trip to Jiuzhaigou? —I’ve never had one before.