10. Sunset at Mount Huangshan is a beautiful scene, _________ I’ll never forget.
| A．it | B．one | C．what | D．That |
______ time went on , the weather got worse and worse.
| A．While | B．When | C．As | D．With |
The _________ from the top of the tower was very wonderful.
| A．sight | B．view | C．scene | D．scenery |
_______ him this time is difficult.
| A．To refuse | B．Refusing | C．Refuse | D．Refused |
It is ten years since he _______ in this college.
| A．works | B．worked | C．has worked | D．had worked |
You ought to have a good rest _______ you have finished your painting.
| A．even if | B．as if | C．now that | D．ever since |