11.I’d  ________ it if you would turn the radio down. 
A. concern			B. appreciate		C. amuse			D. amaze
12.The engine failed and the pilot had to ________ the plane ________ in the sea.
A. put ... down			B. hang… up	 	C. end… up 		D. now …that
13.His nationality isn’t __________ to whether or not he’s a good lawyer. 
A. efficient			B. effective		C. relevant		D. virtually
14.Your advice is exceedingly ________ to me in my research. 
A. massive			B. contribution 	C. valuable 		D. revel
15.I took careful notes which later ________ in the exam. 
A. makes me happy						B. caused me in trouble 	
C. had me in a good shape				D. stood me in good stead