練習を始めますか？
モードを選んで問題に取り組みましょう。
練習モードを選ぶ
練習セット
Verb To Do · Accuracy Practice
I can use do as a main verb and as an auxiliary in questions and negatives.
PRE-A18問8分Typing, Worksheet
練習セット
I can use do as a main verb and as an auxiliary in questions and negatives.
モードを選んで問題に取り組みましょう。
練習モードを選ぶ