The purpose of new technologies is to make life easier, ________ it more difficult.

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I would love ________ to the party last night but I had to work extra hours to finish a report.

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They were all very tired, but ________ of them would stop to take a rest.

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There, far from here, you can find ________ island on which lives an old man living ________.

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Do you notice that you had made ________ mistake?

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They were so tired that they had to stop to have a rest ________.

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This is ________ book for beginners.

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The old couple have been married for 40 years and never once ________ with each other.

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A．they had quarreedl

B．they have quarreled

C．have they quarreled

D．had they quarreled

—Did you remember to give Mary the money you owed her?

—Yes. I gave it to her ________ I saw her.

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When he saw the man in ________ uniform, his heart was ________ wildly with fear.

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