The engineer ________ my father works is about 50 years old.
It was ______ back home after the experiment.
It was 1969___ the American astronauts succeeded in landing on the moon.
______ with the size of the whole earth, the biggest ocean does not seem big at all.
Varieties of household goods are sold here, ________from babies’ toys to old men’s walking sticks.
In his speech, Marks made the point ______ far more people died from smoking than from taking drugs.