二、选择合适的单词完成句子。 1. Yesterday,we bought (bought,buy)a watermelon. 2. I will take (take,took)my kite tomorrow. 3. They are going to have (have,had)a holiday. 4. What did you do (do,did) last Saturday? 5. My grandpa was (is,was)thin then. 6. They are my friends (friend,friends). 7. These birds sang beautifully (beautiful,beautifully). 8. It is windy (windy,wind)in Weifang today. 9. It will rain (rain,rainy)in Qingdao. 10. Tell (Tell,Tells)me about your concert.