--- What do you think of teaching, Bob?

--- I find it       and challenging. It is a job        you are doing something serious but interesting.

--- What do you think of teaching, Bob?

    --- I find it       and challenging. It is a job        you are doing something serious but interesting.

       A．funny, that       B．fun, that   C．fun, where       D．funny, which

--- What do you think of teaching, Bob?

--- I find it       and challenging. It is a job        you are doing something serious but interesting.

A．funny, that                     B．fun, that                  C．fun, where                     D．funny, which

--- What do you think of teaching, Bob?
--- I find it       and challenging. It is a job        you are doing something serious but interesting.

 --- What do you think of teaching, Bob?

    --- I find it       and challenging. It is a job        you are doing something serious but interesting.

       A．funny, that           B．fun, that              C．fun, where          D．funny, which

–What do you think of teaching, Bob?

–I find it fun and challenging. It is a job ___ you are doing something serious but interesting.

A. where                B. Which         C. When          D. that

–What do you think of teaching, Bob?

–I find it fun and challenging. It is a job ___ you are doing something serious but interesting.

A. where         B. Which    C. When     D. that

–What do you think of teaching, Bob?

–I find it fun and challenging. It is a job ___ you are doing something serious but interesting.

A. where         B. Which    C. When     D. that

What do you think of teaching, Bob?

I find it fun and challenging. It is a job ___ you are doing something serious but interesting.

A. where         B. Which    C. When     D. that

–What do you think of teaching, Bob?

–I find it fun and challenging. It is a job ___ you are doing something serious but interesting.

A. where         B. Which    C. When     D. that