(单选题)16: He has a natural ___ for painting. A: altititude B: gratitude C: aptitude D: attitude ...

(单选题)7: She can stay in her workroom for 10 hours without eating or sleeping, all her attention ___ her A: focusing on B: focused on C: focusing in D: focused in ...

(单选题)11: It is quite necessary for a qualified teacher to have good manners and ___ knowledge. A: extensive B: expansive C: intensive D: expensive ...

(单选题)18: The car ___ halfway for no reason. A: broke off B: broke down C: broke up D: broke out ...

(单选题)11: Our new house is very ___ for me as I can get to the office in five minutes. A: adaptable B: convenient C: available D: comfortable ...

(单选题)16: We all feel sorry for __________for so long after your arrival. A: keep you waiting B: having kept you waiting C: waiting for you keep you wait ...

(单选题)1: I like wearing_____at home, for they are comfortable. A: boots B: sandals C: slippers D: high heels ...

(单选题)1: We shall ask for samples_____ and then we can make our decision. A: to be sent B: being sent C: to sent D: to have been sent ...

(单选题)10: She can stay in her workroom for 10 hours without eating or sleeping, all her attention ___ her painting. A: focusing on B: focused on C: focusing in D: focused in ...

(单选题)3: We could do _____ wait for the instructor to arrive． A: nothing only B: nothing merely C: nothing but D: nothing just ...