--- I heard they went skating in the mountains last winter. --- It ______ true because there was little snow there.

--- It’s so late. Our son______ be back!--- Don’t worry. I dare say he ______ have some extra work to do.

I ___________ through that bitter period without your generous help.

You _____ hurt your stomach if drinking beer while having sea food.

---Is that Lucy’s sister, Lily?---No, it _______ be her. She has gone to English.