(Q).
Why does wood float? Choose the most suitable option to answer the above question. Options：  A. it is a good swimmer  B. solid  C. gilded  D. less dense than water  E. porous
(A).
D


(Q).
What do we have to do before we are able to begin work? Choose the most suitable option to answer the above question. Options：  A. apply yourself  B. apply for job  C. shower  D. shave  E. concentrate
(A).
B


(Q).
Where would you find the closest items made from wood? Choose the most suitable option to answer the above question. Options：  A. own home  B. lumberyard  C. electric store  D. carpet  E. boat
(A).
A