The housewife got her hands and arms _____ while trying to pour the boiling water from the kettle into the thermos; she ______ some healing ointment to her burn but the pain was still unbearable [ ]

Only when I made it to the train station _______ that I had left my ticket at home.

_________he had only practiced the part a few times; he did it successfully beyond expectation

are nearly one hundred foreign students in our university, most of _______ are from America and Australia.

__ had been done, the workingefficiency of the employees still remained low.