初中英语不定式选择题

The community worker is patient enough ________to the old how to use Health Code（码）.（　　）

A．explainB．explainsC．to explainD．explaining

I would be interested to see the pandas in the Wolong Panda Reserve，because it allows people ______ closer to them.（　　）

A．getB．to getC．gettingD．got

_________myself，I will take up a hobby like painting this summer.（　　）

A．ImproveB．ImprovingC．To improveD．Improved