I, ____ your friend, will help you out.

   A. who is          B. who am         C. that is           D. I am

 I, ____ your friend, will help you out.

   A. who is          B. who am         C. that is           D. I am

 I, ____ your friend, will help you out.

   A. who is          B. who am         C. that is           D. I am

My glass, ____ I was like a blind man, fell to the ground and broke.

   A. which           B. with which      C. without        D. without which

The doctor ____ is leaving for Africa next month.

   A. the nurse is talking to him            B. whom the nurse is talking

   C. the nurse is talking to                  D. to who the nurse is talking

The science of medicine, ____ progress has been made very rapid lately, is perhaps the most important of all the sciences.

   A. to which         B. in which        C. which          D. with which

Who ____ knows him would believe him?

   A. whom          B. who            C. that            D. which

Who ____ knows him would believe him?

   A. whom          B. who            C. that            D. which

I was so eager to leave that when I stood in the hall, ready to leave, I didn't even think of saying good- bye to the friends ____ I had eaten and slept for so many weeks.

   A. by whom        B. of whom        C. with whom      D. with which

The famous basketball star,____ tried to make a comeback, attracted a lot of attention.

   A. who            B. when           C. which           D. where