It was________cold winter night and the moon was shining brightly across________night sky.
________ with care, one tin will last for six weeks.
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.