He has behaved in the most extraordinary way；I can’t________his behavior at all.

— Hi, Torry, can I use your computer for a while this afternoon?— Sorry. ______. [ ]

_____ him speak English so fluently, and you would think him an American.

Jeo, don’t _______ now; you’re improving all the time. It won’t be long ______ you can speak English well.

After reading the report, I found ____ important to do something to protect the birds in the wild.