The boy is nervous because his teacher asked him to read the ______ /'daiəlɔg/with his partner.
Have you ever read the books (translate)by Yang Jiang?
It often rains (heavy)in this season every year.
With the (develop)of science and technology,life is becoming much easier.
What about (practice)swimming this summer vacation?
His office is on the (nine)floor of the tall building.