--- He worked out such different questions at a very young age.
--- Oh, he ______ a very smart student then.

You _______be hungry already—you had lunch only two hours ago.

We _______the letter yesterday, but it didn”t arrive.

We ________ the difficulty together, but why didn’t you tell me?

You ________ be hungry already — you had lunch only two hours ago!

One of our rules is that every student          wear school uniform while at school.

You can’t imagine that a well-behaved gentleman _____ be so rude to a lady.

— What are you going to do this weekend?
— I don’t know. I ______ visit a friend.

-----Did you ask Sophia for help?
-----I _____ need to----I managed perfectly well on my own.

--- He worked out such different questions at a very young age.
--- Oh, he ______ a very smart student then.