Where in the united states is the greatest risk of desertication

The correct word to complete the sentence

When i was four years old, my dad and i a tree in our front yard. it was a tiny, fragile sapling. he promised me that it would grow tall and strong, but he said that i had to be patient. until i turned 18 years old, dad and i it every year on my birthday. choose the words that correctly fill in the blanks.

The cheerleading squad practiced their routine, they were still not ready to perform for an audience. choose the best transitional word or phrase to complete the sentence. a) however b) besides c) although d) therefore