I stood there patiently untilhe ________ his work

Was it by cutting down staff ________ she saved the firm?—No，it was by improving work efficiency. (2012·上海，37)

A Wechat(微信) is an invention ______ can help people talk to friends , share photos, ideas and feelings freely.

Tom, supper is ready.—I don’t want to eat________, Mum. I’m not feeling well.

She admitted________some bicycles from her neighbourhood