91. He had a bad fall while he was repairing his roof.

92. By the end of this month, I hope, I will have written 200 pages of my new novel.

 It took a moment before Nick realized he had been offered a cigarette by the stranger.
94. While he was learning to drive, he had 25 accidents.
95. It’s no using getting inpatient. The plane will not arrive until the weather clears up.
96. I have been thinking about you a lot lately and I have come to the conclusion that I will not be able to live without you.
97. I don’t mind waiting. I’d rather be too early than too late.
98. Those students who failed the exam are going to take another one held in August.
99. “I am just going out to get an evening paper.” “But it is raining. Why don’t you wait till the rain stops”?

100. I think your father’s health has improved so much since I saw him last.

91. He (have) …had…… a bad fall while he (repair)… was repairing…… his roof.

92. By the end of this month, I hope, I (write…will have written………………200 pages of my new novel.

93. It (take)..took…….a moment before Nick (realize) …relized………... he (offer)… had been offered…… a cigarette by the stranger.

94. While he ( learn)…was learning…. to drive he (have) …had…… 25 accidents.

95. It’s no using getting inpatient. The plane (not arrive)…will not arrive…..until the weather (clear)…clears…up.

96. I (think) ..have been thinking……..about you a lot lately and I (come)...have come… to the conclusion that I( not be) will not be……..able to
live without you.

97. I don’t mind ( wait)…waiting……I’d rather (be)…be……….too early than too late.

98. Those students who (fail)…failed……the exam are going to take another one held in August.

99. “ I am just going out to get an evening paper.” “ But it (rain) is raining. Why don't you (not wait)……wait ..till the rain (stop)…stops……?

100. I (think)…think…… your father’s health (improve)…has improved……so much since I (see)…saw…him last.

Chúc bạn học tốt!! ^ ^