The letters must (delive) to Kate.

That painting can   (see) in Tretyakov gallery.

The work should (do) on time.

The problem can"t   (solve) by manager.

The window has to   (close).

The cake must (make) for my birthday.

Kevin should    (inform) about it as soon as possible.

The house has to   (clean) before aftenoon.

Children should   (teach) to speak politely.

These words should   (learn) by heart.

Fred has to    (tell) about the meeting.

It’s too hot. Milk must   (keep)  in the fridge.

The house should    (renovate) .

I should   by my teacher.

Can the old woman    (help)?

It must     (do) now.

How often should the students   (test)?