If you often go to a gallery, it ______ well change forever the way you look at art.

—Shall I inform him of the change of the schedule right now?
—I am afraid you ________, in case he comes late for the meeting.

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

— Do you know where Mary is? I couldn’t find her anywhere.
— Well . She        have gone far—her coat’s still here.

--- I saw the Smiths at West Beijing Station this afternoon.
--- You __________. They are still on holiday in Hawaii.

—Has Mr.Tom White arrived ? 
---- Yes ,already .  ______he wait outside or just come in ?

— I promise Shirley ______ get a new iPad on her birthday.
— Will it be a big surprise to her?

It __be the vocabulary that caused you the problem in the exercise because you know a lot of words.

--Why are your eyes so red? You _______ have slept well last night.