—What was the party like?
—Wonderful. It' s years _____ I enjoyed myself so much.
| A．after | B．when | C．before | D．since |
It was January the_________he came here last time.
| A．thirty-one that | B．thirty first that |
| C．thirtieth-one when | D．thirty first when |
About _________of the workers in that steel works are young people.
| A．third-fifths | B．three-fifths |
| C．three fives | D．three-fifth |
The workers can complete the new bridge in_________ .
| A．two and a half month | B．two months and half |
| C．two and a half months | D．two month and a half |
It took me_________days to finish drawing a beautiful horse.
| A．a half dozen | B．half a dozen |
| C．half dozens | D．half dozen |
There were_________the students in our class who are from the north.
| A．two score of | B．two scores of |
| C．two score | D．two scores |