I lost my way. I wonder ________ I can turn in the dark.

A. who        B. whom        C .to whom        D. for whom 

—Excuse me，Miss Li.I wonder________I could have a few minutes of your time?

—Of course.At your service.

A．when                                   B．where 

C．that                                     D．if

I wonder________ I can do more for our country.

A. what　 　　　B. how　　　　 C. whatever 　　　 D. however

I lost my way. I wonder ________ I can turn in the dark.

A. who        B. whom        C .to whom        D. for whom