Is that the small town you often refer to? —-Right, just the one ______ you know I used to work for years.

It was by making great efforts ____ she caught up with other students. [ ]

(2013·甘肃兰州名校高三检测)The professor told me to start the research right now, ________ I was sure to fall behind

er cultures, looking thin for more attractive.

I think Mr. Zhang may be in his office. — No， he _______ be there. I saw him _______ just now.