Complete the sentences with the correct form of "was" or "were".

1. All the apples in the refrigerator_____green.

2. ______ Tom in his room at five o'clock?

3. What color______ the earrings?

4. The weather_____nice and warm yesterday afternoon.

5. A:_____all the T-shirts 50% off last week?
B: No, they ____.
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