Here are the correct verb forms for each sentence:

72. Do you **think** you still **do** the same job in 10 years’ time?
73. Our game of tennis was interrupted. We **had been playing** for half an hour when it **started** to rain very heavily.
74. I **had been waiting** for Tom for half an hour when I suddenly **realized** that I **was** in the wrong restaurant.
75. I **entered** the office and **looked** around. Most people **were working** but Jane **stared** out the window and pretended to write something at the same time.
76. I **had hoped** for a pay rise for a long time but I **didn't dare** to ask for it.
77. Brian **looks** very different now. When you **see** him you **won't recognize** him.