－These peaches really juicy.
－They ____ be! Just see the price, $3,99 a pound. Very expensive, aren’t they!

It’s said that there are plenty of hotels in that town. There _____ be any difficulty for you to find one to stay in.

I chose the most popular major instead of my favorite one，but I had to drop out and started again where I＿＿＿have gone in the first place.

— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.
— Oh, it __________ my younger sister. She was in my room at that moment.

----I missed the first part of the film. It was really a pity．
----You _____home half an hour earlier.

You _____ have bought the book for me, but thank you all the same.