Although he was ill , he went to school. = He was ill but he went to school.

He was ill. ( )He went to work.

He isn’t in the school. I think he ______ be ill.

A、

can

shall

must

would

He isn’t at school. I think he be ill.

He isn’t in school. I think he ____ be ill.

A、

can

must

shall

might