Part I. Finish each of the following sentences in such a way that it means the same as the sentence printed before it.
65. It wasn’t necessary for you to buy so many chips as you did.
You needn’t ........................................................................
66. Much as he tried hard, he didn’t succeed in installing the software.
However ..............................................................................
67. He lost his job because he was very lazy.
But ......................................................................................
68. It was not until midnight that he could finish his homework.
Not until ..............................................................................
69. If only I hadn’t bought the secondhand motorbike.
I regret ..............................................................................
A.
B.
C.
D.