(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.

She __________ be an equal to the famous model in some respects but she does not like the profession. 

He ______ the key, so we ______ into the office.

—Is there a fog in the evening ?—There           be . I’ll make a phone call to find it out .

Helen _______ it if she doesn’t want to.