The young boy has come to himself in hospital now. But he ___ unconscious for three days.

—How long ____ you ____ in Singapore?—For just the weekend． I’ll be back next Monday morning．

— I will come to attend your lecture at 10:00 tomorrow.— I’m sorry, by then my lecture will have ended and I _____ in my office.

Though it was the first time that I ______ the small town, I fell in love with it at once.

By the time she_____体操比赛上 at the New York Good Will Games, she_________ a dedicated junior gymnast for eleven years.