After a while playing, what was happening to the children? Choose the most suitable option to answer the above question. Options：  A. fights  B. competitiveness  C. having fun  D. getting tired  E. learning
D

Teddy liked learning languages.  He helped him with what? Choose the most suitable option to answer the above question. Options：  A. problems  B. frustration  C. confidence  D. better communication  E. sadness
D

Where is a tree hugger likely to reside? Choose the most suitable option to answer the above question. Options：  A. forest  B. rainforest  C. san francisco  D. state park  E. university
C