1.   Air-monitoring stations in eastern Massachusetts have shown only seven violations of federal limits for ozone, the key ingredient in smog, over the last three summers.

2.   For the last three summers, our family, former New Yorkers, have spent a week on the Outer Banks of North Carolina.

3.   He has spent each of the last two summers in class, pushing ahead to relieve the inevitable academic strain created by the demands of the season.

4.   He has been on the US national world championship team the last two summers.

5.   These cottonwood saplings grew from seeds that floated down on carefully controlled floods in the last two summers.

6.   Venus got this far the last two summers before going belly up.

7.   Volkov and Fleisher made sure Medvedenko showcased his skills at the summer pro league in Long Beach the last two summers.

8.   Instead, the town has posted signs warning of no lifeguards, as it did the last two summers.

9.   She and her husband, Thomas, hosted the Clintons at their Skaneateles, N.Y., home the last two summers.

10.   The decline was largely a result of lower food prices, which have dipped in each of the last three summers as recently harvested crops flooded the market.