If Joe’s wife doesn’t go to the party tomorrow, _____.

Only if enough evidence is discovered _______ in the existence of the monster.

What did you say to your grandmother on the phone just now—— I asked her _______ .

f they are on sale, these air-conditionersare equal in price to , if not more expensive than , ______ , at the otherstore

Lily told me I failed the math exam.—Oh，don’t believe her. It must be a(n) ________.We all know you do well in math.