Do you know that I have trouble __________ the work?
| A．to do | B．doing | C．do | D．done |
__________ the zoologists tried to prove was that the photo of the South Chha Tiger had been staged or technologically dealt with.
| A．That | B．Why | C．Whether | D．What |
In the clinic the doctor gave me a (n) ___________ for anti-H1N1 flu.
| A．indication | B．prescription |
| C．direction | D．reservation |
The driver was at_________loss When ________word came that he was forbidden to drive for speeding.
| A．a；the | B．/；/． | C．the；the | D．a；/ |
____________myself to my study，I would be sitting in a comfortable office now.
| A．If I devoted | B．Should I devote |
| C．Would I devote | D．Had I devoted |
.Sunset at Mount Huangshan is a beautiful scene，_________I`ll never forget.
| A．one | B．it | C．what | D．that |