After a year's training, I'm sure he will _______ the target.
Although this ____ sound like a simple task, great care is needed.
—She looks very happy. She ______ have passed the exam.—I guess so. It’s not difficult after all.
Thank you for all your hard work last week. I don’t think we ______ it without you.
John, look at the time. ___________ you play the piano at such a late hour?
—May I smoke here ?—If you ____, choose a seat in the smoking section.