About ________ of thestudents in Kaili ________ to school boy bus.
句意：凯里大约五分之二的学生坐公共汽车上学。
考查分数的表达和主谓一致。“五分之二”的英文表达方式为two fifths，故A、C选项可排除。分数构成的主语，谓语动词与of后的名词一致，students是复数名词，故谓语go应用原形go，故选B。
About ________ of thestudents in Kaili ________ to school boy bus.
—Dear, how is yourhomework going?
—Oh, mom, I've justfinished ________ of it.
Now, everybody, pleaseturn to Page ________ and look at the ________picture.
Five ________ new bookswere sold out last month.
—China is a greatcountry with a history of about five ______ years.
—Yes. And ______ of foreigners come tovisit it every year.
Sweet wormwood(青蒿)is a common plant inChina and Tu Youyou is the woman _________used the special power of the plantto save __________lives.
In our school everystudent has to choose a club to join, so about one ________ students havejoined the Sports Club.
My mother will be________ years old next week. I’m planning to buy a gift for her ________birthday.
Our country isnearly________years old. We'll celebrate its________birthday on October 1, 2019around the country.
Today is my littlebrother's ________ birthday, so I put________candles in the cake.
