I can hardly hear the radio. Would you please _________
When I arrived at home, my little son was sitting in the corner of the bedroom, _______ with many dolls.
I used to go to the gym twice a week, but I _________ time to do exercises since last Christmas.
It is known to us all that the old professor, for______ life was hard in the past, still works hard in his seventies..
_____in the library if I come here to see you tomorrow?
—What have you learned from your experience in England?—Well, meeting people from another culture ______ be very difficult.