It’s obvious that her refusing to see a doctor has ______ her illness worsening.

Mary is hard-working. She works harder than classmates in her class.

I _____ hope that every one of us will be successful in our studies.

Why not find a new job—Why should I I _____________ as much，but I like what I’m doing．

The two economic reports were delivered byour president at the board last Monday and ______was very instructive