How long ______ he ______ a fever— Ever since last night.

Could you tell me –At 8 o’clock.

I had thought that he ___ for a least twenty years

On our way home, our bikes______, so we had to walk home.

(2013·四川高考)—Why are your eyes so red? You ________ have slept well last night.—Yeah, I stayed up late writing a report.