从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. The girl devoted all her spare time she had others.
A. to help B. helped C. to helping D. help
22. I think a cold drink can you after your long hot journey.
A. recover B. reward C. relieve D. refresh
23. He was robbed last night, but he didn’t have much on him then.
A. fortunately B. eventually C. certainly D. surprisingly
