The beautiful song ________ me of those happy old days we had spent together.
—I’m going to the States.—How long ________you________ in the States?
________ we know, the moon goes around the sun.
in the early 20th century, the school keeps on inspiring children’s love of art.
It is one of the funniest things____ on the Internet so far this year.
Though ____ to see the strangers, the housewife gave them a big smile and said hello.