A. the twenty century B. the twentieth century C. twentieth century D. twenty century
A. hundred B. hundreds C. hundreds of D. hundreds of
A. Six ,third B. Sixth , third C. Six , three D. Sixth, three
A. twelve;twelve B. twelfth; twelfth C. twelve ; twelfth D. twelve ; twelve
A. two hundred and forty-six B. two hundreds and forty C. two hundreds of fourteen D. 无
A. 8 -year -old B. 8 year old C. 8 -years -old D. 8 year olds
A. five,nice B. fifth,nine C. five,ninth D. fifth,ninth
A. ten million of B. ten millions C. million of D. millions of
A. ton of B. ton C. tons of D. a ton of
A. quarter B. half C. pound D. kilo