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

A. decorate        B. complete         C. educate         D. dedicate

A. shower     B. scold       C. noun        D. plough

A. scare             B. rare        C. grade         D. fair