In crowded places like airports and railway stations, you___ take care of your luggage.

The police required the travelerfor his luggage.A. checkB. to checkC. checkingD.

[单选题]I'd like to take ________ of this opportunity to thank all of you for your

[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]____ your teacher like you?A.DoB.DoesC.AreD.Is

[单选题]Will you take me to see your ___ (大副)?A．chief officerB．second officerC．third officerD．captain

[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

（）you take any leading position in your college?A. DidB. AreC. DoD. Were

[单选题]-Mayweleavetheclassroomnow?-No,you______.You______toleaveuntilthebellrings.A．mustn’t,areallowedB．don’thaveto,aresupposedC．needn’t,aren’tallowedD．can’t,aren’tsupposed

[主观题]Which of your courses did you like the least?