t warning a few months ago, my grandfather ended up in hospital _______ blood pressure issues.

_______ the secret of nature, the young scientist has little time for entertainment.

You may use the room as you likeyou clean it up afterwards

－I always take care when doing papers on the computer. －You meant it! One cannot be too ____________ working on it.

Over years, China’s Women’s Table Tennis Team is an excellent group. Now no team can_____it, whether in spirit or in strategy and skills.