—Have you seen your aunt lately?—Yes, in fact I saw her yesterday.I ______ her for several months.
If there were no automatic washing machines, people would have to wash their clothes ______ hand or ______ hand-operated machines.
“No bread eaten by man is so sweet as______ earned by his own labour. ”
_____ the majority of people you will meet when travelling are sure to be friendly, there are dangers-theft being the most common.
Water is the most widely used resource in ______ industry, and plays ______ major role in energy production.
The latest major disaster that occurred in Zhejiang paralyzed traffic, caused blackouts and ______ water supplies for days.