—What do you think of your nephew? —He__________ be very naughty but at the same time you poor.
The sunlight is white and blinding, ________ hardedged shadows on the ground.
________ 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 ________.