People have heard what the President has said; they are waiting to see ________ he will do. 

A. how      B. what    C. when                 D. that

People have heard what the President has said; they are waiting to see ________ he will do.

1. A.
   how
2. B.
   what
3. C.
   when
4. D.
   that

People have heard what the President has said; they are waiting to see ________ he will do.

A. how

B. what

C. when

D. that

A. how

B. what

C. when

D. that

A．how

B．what

C．when

D．that