I like to listen to music ______ I’m having a walk in the evening.
The person who was taking photos asked the family to sit ______ and listen ______ to his order.
Most members of the committee were in favor of the suggestion; only a(n) ______ were against it.
At first the experiment went on well, but ______ problems we hadn’t expected turned up later and it failed.
The old house is regarded as a part of local history, so it should be ______.
______ has finished the work ahead of time will be rewarded with a one-month holiday.