1. thursday is the_______day of the week.(five)
2.englishmen don't like the number 13,so they don't like to live on the____floor.(thirteen)
3.we have made_____dumplings.(fifty)
4.i think the________lesson is the most difficult in this book.(twenty)
5.there are _______months in a year.
december is the ______month in a year.(twelve)
