_______ book is this, yours or mine?

a. what           b. whose         c. with      d. whom

" _________ are they?". "Oh, the President's daughters"

a. Who           b. Whom        c. Which       d. That

Could you tell me _________ you don't like living in a big city?

a. how          b. when       c. where         d. why

He has been very interested in doing research on _______ since he was at high school.

In the past National Assembly meetings, delegates from many provinces have proposed _____________ to the coastal sewater pollution in Central of Vietnam.

A. steps     B. ways     C. solutions   D. methods

After graduation from the University of Harvard, he __________ his own business in New York in 2005  .

A. had                                    B. owned                     C. set up        D. directed

Last year, she was diagnosed___________ lung cancer and doctor advised her to have an operation.

A.  of     B. in    C. from         D. with

He is a/an ________________________ leader whose work has lot of influence on his staff. 

A. religious     B. conservative    C. reserved        D. influential

A. proportion         B. amputate         C. sympathy        D. difference