It is hard for me to imagine what I would be doing today if I __________in love , at the age of seven , with the library in my hometown .

He ______ have finished his work; otherwise, he wouldn’t be enjoying himself by the seaside.

Mountain climbing _______ be tiring and many people feel sick as the atmosphere gets thinner.

(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.

I have made greater progress in English, and my teacher inspired me to keep it     .