I am afraid I can’t help you with your project. I ________ a model these days.– It doesn’t matter. I will finish it by myself.

who pretended,heard, however, every word that was said

I was supposed ____ her, but I failed.

I have reached a point in my life _____ I am supposed to make decisions of my own.

Lots of rescue workers were working around the clock, _____ supplies to Yushu, Qinghai Province after the earthquake. [ ]