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

_______ giving a general introduction to computers, the course also provides practical experience

．The news came as no surprise to meI ______ for some time that I would fail in the exam

－Dad, could I stay out late tonight －__________. You have to get up early tomorrow morning.

Do you know___________ in Ya’an — On the 20th of April，2013.