I am glad that you have managed to come. You ___ have brought wine. We’ve got plenty.

“Is John coming by train？” “He should, but he _____ not. He likes driving his car.”

So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ______.

—Do you know where David is? I couldn’t find him anywhere.—Well. He _________have gone far—his coat’s still here. 

John ___ be a basketball player.He’s much too short.