He must eat in the dining hall.(改为否定句)he ____eat in the dining hall.

He must eat in the dining hall.(改为否定句)he ____eat in the dining hall.
He must eat in the dining hall.(改为否定句)he ____eat in the dining hall.

He must eat in the dining hall.(改为否定句)he ____eat in the dining hall.
应该是doesn‘t 他不吃

can't......................

亲，应该用needn't，求采纳