This 15 his [obligation]to take care of the child.

[单选题]Things havechanged [a lot] since I was a child.A.graduallyB.suddenlyC.great

[单选题]__________ of the students in our class money for the disabled child.A.Two

[单选题]The parents, ________ poor, could not buy a present for their only child.A.

[单选题]He dived from thebridge to [rescue] the drowning child.A.helpB.dragC.findD.

[单选题]They should take care of（锚）_____to ensure that they are in normal condition.A．anchorsB．anchor ballC．anchor gearD．anchor ring

[单选题]They should take care of（锚链）___to ensure that they are in normal condition.A．anchor chainsB．anchor ballC．anchor gearD．anchor ring

[单选题]You must take good care of the drainage cock of the air control system. Because lead scale formed which might malfunctions the pilot control valve and other instruments.A．the temperatureB．the rustC．the pressureD．the humidity

[单选题]You must take good care of the drainage cock of the air control systemBecause （） leads scale formed which might malfunction the pilot control valve and other instruments.A . the temperatureB . the rustC . the pressureD . the humidity

[单选题]They should take care of the （系泊缆绳）______.A．head linesB．mooring linesC．breast linesD．stern lines

[单选题]50．—could you take care of our dog while we are away?—__________A． With pleasureB． It's my pleasureC． Never mindD． That's all right