I took ______ possession of the house in 1970, but now it is in ______ possession of an old man.
They want the job ______ by the end of the week.
So _____ that modern industry cannot develop without it.
I feel it an honor ______ to speak here.
Scarcely _____ raining _____ the PLA fighters started on their way again.
He ______ English for six years by the time he takes his examination.