The story reminds us that we can never know what's possible ________ we try to make it happen.
A.so B.unless C.but D.if
The North Star is one of ________ stars in the night sky.
A.bright B.the brightest C.brightest D.brighter
—________ do you play basketball with friends?
—Twice a week.
A.How many B.How much C.How long D.How often
We ________ dinner in the kitchen when we heard the news on the radio.
A.eat B.ate C.are eating D.were eating
My mother ________ her dog for a walk after dinner every day.
A.is taking B.was taking C.takes D.took
—________ do you think of the story of Yu Gong Moves a Mountain?
—I think it's really interesting.
A.What B.Why C.How D.Where