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