I commanded that he      at once.

— Jeff, what’s up? You are not yourself today. — Oh, mom. I really wish I ______ the chance but I failed. 

(2010·江苏高考)George is going to talk about the geography of his country, but I'd rather he ________ more on its culture.

He insisted that the sky ____ clear up the following day. 

You can’t imagine that a well –behaved gentleman ______ be so rude to a lady.