The scientist was rewarded by the government for such a great,contribution to the country.
Every day ________ a proverb aloud several times until you have it memorized.
All flights ________ owing to the heavy fog, many passengers could do nothing but take trains.
The poem A Red, Red Rose written by Robert Burns is popular with the Chinese young people, because the poem is easy ________.
Passengers are permitted______ only one piece of hand luggage onto the plane.
Bats are surprisingly longlived creatures, some______ a life span of around 20 years.