在…时期； in the course of 在…期间。
48. The manager would rather his daughter _D_ in the same office.
A had not worked B not to work C does not work D did not work
would rather + 动词原形； would rather + 句子（用虚拟语气，句子谓语动词用一般过去时）
49. _D_, he does get annoyed with her sometimes.
A Although much he likes her B Much although he likes her
C As he likes her much D Much as he likes her
如果用although引导则应改成：Although he likes her very much, …
50. The British constitution is _B_ a large extent a product of the historical events described above. [无论是在空格前还是后，如果出现了名词extent要找介词就着to]
A within B to C by D at
to a large extent 在很大程度上。
