We sent them congratulations and gifts ______ their 30th wedding anniversary

1. We sent them congratulations and gifts ______ their 30th wedding anniversary.

2. I'm not ______ the habit of turning on the TV as soon as I get home.

3. Mushers from all over the world come ______ Anchorage in March to compete for cash and prizes.

4. Italy is well-known ______ its rich culture and spectacular architecture.

5. When you receive something ______ someone who is older, you should use two hands.

6. The staircase ______ a Muong’s stilt house has an odd number of steps.

7. The traditional cuisine of Germany varies considerably ______ region to region.

8. Visitors from all ______ the country came to join the Hung King Temple Festival.

9. In Vietnam’s traditional society, a typical family has three or four generations living ______ the same roof.

10. You should never eat or drink ______ one hand on your hip.