——Where is Tom? We can’t find him anywhere.——Perhaps he_____home.

— It’s raining! When did it start? — I don’t know exactly. In fact, it _________ all this afternoon.

—When I am walking in the street,I________some ads every time. —So am I.I hate it.It’s a waste of paper. 

Tina ________ England with her parents three years ago. 

--Do you know where Mr Brown is?---He _______ Beijing for two days.