【2012四川凉山】There are ___teachers in our school, _____of them are women teachers.A. two hundreds; three fourth B. two hundred; three fourths C. two hundred; three forths
This is______difficult problem that few students can work it out.
.He lives_______in the______village, but he is never_______.
Pollution is a serious problem. Scientists have _______ some good ways to save it.
We can’t put off _____ a plan .
I saw himwhen I passed by.