As a teacher, you should not _______ the students from asking questions in class.
A、ruinB
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Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
Wecannottrusthimanymorebecauseheoften________hisduty.
Freemedicalserviceis_______tonearlyallthecollegestudentsinChina.
Weare_______attherapidprogressMarkhasmadeinthissemester.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
