11.How much per gallon is this _______? A. poison B.pipe C.ox D.gasoline
12.I couldn’t hear the program because there was too much _______. A. grasp B.globe C.superior D.interference
13.Thanks for the advice, but this is something I have to _______ out myself. A. fulfill B.identify C.figure D.claim
14.Mary was seriously injured in a _______. A. collision B.geology C.manuscript D.pool
15.This 80-200mm zoom lens bears canon’s L designation, denoting a top-of-the-line lens built to extremely high _______. A. tolerances B.pitch C.possession D.purses
16.According to Mr. Green, this is a _______ problem. A. grand B.complicated C.owing D.powder
17.I’m going to call a _______ to repair my car this afternoon. A. mechanic B.host C.giant D.glance
18.They have already _______ the telephone in their new home A. parceled B.spun C.installed D.retained
19.The roof has _______ in it, and the front steps need to be fixed. A. ants B.drums C.grains D.leaks
20.He received four years of training in English and two years in English teaching.He is a _______ English instructor. A. responsible B.scared C.vast D.qualified