everything___can be done today mustn't be done tomorrow.
the man___I saw told me to come back today.
he talked a lot about the teachers and the schools___he had visited.
the ninth lesson___we are learning is the most difficult in Book One,
everything___can be done today mustn't be done tomorrow.
the man___I saw told me to come back today.
he talked a lot about the teachers and the schools___he had visited.
the ninth lesson___we are learning is the most difficult in Book One,
that
who/that
that
that