题目
题型：不详难度：来源：
| A．begins | B．having begun | C．beginning | D．begun |
答案
解析
核心考点
试题【The research is so designed that once _____ nothing can be done to change it.A．】；主要考察你对句式等知识点的理解。[详细]
举一反三
| A．buying | B．having bought | C．should buy | D．to buy |
| A．have | B．having | C．to have | D．having had |
| A．which I think they are | B．which I think are |
| C．I think which are | D．that I think they are |
It is in Steven Spielberg" s first film, Jaws, ____ a big white shark attacks swimmers ____ are spending their holidays in a small village by the sea.
| A．where; who | B．which; that | C．that; that | D．where; that |
| A．that he was gradually going deaf |
| B．because he was gradually going deaf |
| C．on account of the fact that he was gradually going deaf |
| D．since he was gradually going deaf |
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