| 円1 )内から適切な語を選び, 〇で囲みなさい。
1. I(cant/ couldnt/ donthave to ) watch TV yesterday.
2. (Can /Shall/ Mot) T go home now? 一No, you must not.
3. He (must / doesmt have / had) to study hard when ne was a child.
24. Tchiro (cant/ wasnt able to / is gOing to) swim fast tvwo yeaTS agO・