На картинке задание, нужен ответ

This book (was written) by a famous Russian writer in the 19th century.

He said that he (had visited) this country some years ago.

If you (called) me today, I would have time to explain you the situation.

We want (to invite) you to our celebration.

He said that he (had done) his homework after he (had had) dinner.

Ann enjoys (talking) on the phone.

Do you mind my (opening) the window?

? I (am to) fly to London next week.

When we saw him he (was eating) a sandwich which he (bought) in MacDonald’s.

If you (had told) me about it earlier, I (would have cancelled) my visit.

I (am working) this weekend.

She will never forget her duties.

The test (will be checked) by next Friday.

This cake (is sold) everywhere.

We (sent) this message to all the members of the group two days ago.