, when Marx was already , he found it was important to study the situation in Russia, so he began to learn Russian.
A.In 1870s, in his fifties B.In 1870s, in fifties
C.In the 1870s, in fifties D.In the 1870s, in his fifties
Lin Tao, an boy, was very brave and helped his classmates run out of the classroom when the earthquake happened.
A.8-year-old B.8 year old C.8-years-old D.8 year olds
It's about kilometers from Nanchong to Chengdu.
A.two hundreds B.two hundreds of C.two hundred D.two hundred of
Most of the doctors in this hospital were born , and they are now.
A.in the 1970; in their fifties B.in 1970s; in the fiftieth
C.in the 1970s; in fiftieth D.in the 1970s; in their fifties
Our country is nearly years old. We'll celebrate its birthday on October 1, 2019 around the country.
A.seventy, seventy B.seventy, seventieth
C.seventieth, seventy D.seventieth, seventieth
of the students in our class going to the summer camp in Beijing next week.
A.Two fifths, is B.Second fifths, are C.Second fifths, is D.Two fifths, are
