英语的词形变化1.He fell down and broke his arm .He must be ___(careless)next time.2.She must read and use English ___(often)than before.3.She will get better results if she ___(do)her best.4.They are going to learn the ___(twelve)lesson tomorrow.
问题描述：
英语的词形变化
1.He fell down and broke his arm .He must be ___(careless)next time.
2.She must read and use English ___(often)than before.
3.She will get better results if she ___(do)her best.
4.They are going to learn the ___(twelve)lesson tomorrow.
答
careful
more often
did
twelfth
答
more carefull
more often
does
twelfth