The ground is wet all over, so I’m sure it must have rained last night, ________?
We __________ the old scientist __________ his contribution __________ the country.
Only after being attacked by the Japanese in Pearl Harbor __________ in the Second World War thoroughly.
In many people's opinion, that company, though relatively small, is pleasant __________.
People suffered __________ from the disaster, but they didn't lose confidence in rebuilding their homes.
-I wonder whom you are waiting for. -The policeman __________ the traffic accident.