—Dear, how is yourhomework going?
—Oh, mom, I've justfinished ________ of it.
句意：——亲爱的，你的作业做得怎么样了?——哦，妈妈，我刚完成了三分之二。
考查分数的表达。在英语中，分数的表达方法是：分子用基数词，分母用序数词，当分子大于一时，分母用复数形式；根据本规则，结合选项，可知只有D选项two thirds“三分之二”表达正确，故答案选D。
—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.
My grandparents live inan old apartment with ________ floors and they are on the ________ floor.
