“Mary looks hot and dry” “So _____ you if you had so high a fever.”

 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 .

My mobile phone disappeared. Where _____ I have left it?

 But for friction (摩擦力), people ______ neither walk, nor even stand up.

It's nearly seven o'clock . Jack _____ be here at any moment .